How to Combat Gray Market Sales on Amazon: Legal Strategies for Brand Protection
- Alan Yomtobian
- Jan 5
- 12 min read

Can brand owners legally stop gray market sellers from listing genuine products on Amazon at discounted prices? Yes, when gray market products are materially different from authorized versions due to quality control failures, storage verification issues, or lack of manufacturer support—creating legitimate trademark infringement claims that Amazon's Brand Registry and Project Zero programs can enforce.
Understanding the Gray Market Challenge
Gray market goods—genuine products sold through unauthorized distribution channels—represent one of the most frustrating challenges for brand owners on Amazon. Unlike counterfeit products, which are fake and clearly illegal, gray market goods are authentic products manufactured by or for the trademark owner. This authenticity makes them particularly difficult to combat through traditional intellectual property enforcement.
The gray market typically operates through several channels: bulk purchasers who buy products at wholesale or promotional prices then resell them at a markup, international arbitrage where products are purchased in markets with lower prices and imported for resale in higher-price markets, overstock and closeout buyers who purchase excess inventory and liquidate it through unauthorized channels, and authorized dealer diversion where approved retailers sell products to unauthorized resellers in violation of their dealer agreements.
For premium brands—particularly in supplements, cosmetics, luxury fashion, and consumer electronics—gray market sales create multiple problems beyond simple price competition. They erode brand positioning and premium pricing strategies, create consumer confusion about product authenticity and quality, undermine authorized dealer relationships, make quality control and recall efforts impossible, and damage brand reputation when products sold through unauthorized channels have quality issues.
The Legal Framework: When Gray Market Sales Become Trademark Infringement
The challenge with gray market goods is that they're genuine products bearing legitimate trademarks. Under the first sale doctrine, purchasers of genuine goods generally have the right to resell them. However, this right isn't absolute. Courts have carved out important exceptions where gray market sales constitute trademark infringement.
The Material Difference Doctrine in Gray Market Cases
The Second Circuit's decision in Zino Davidoff SA v. CVS Corp. provides crucial guidance for gray market enforcement. The court held that even genuine trademarked goods can infringe when they differ materially from products sold through authorized channels, creating consumer confusion about product quality or characteristics.
This principle applies with particular force to gray market goods because the unauthorized distribution channel itself often creates material differences. Products may be older, closer to expiration, or stored under unknown conditions. They lack manufacturer support, warranty coverage, and quality verification. These differences aren't contractual technicalities—they're genuine quality concerns that affect consumer purchasing decisions.
In Weil Ceramics & Glass, Inc. v. Dash, the Third Circuit examined gray market importation of genuine products and recognized that material differences in product specifications, warranties, or support services could support trademark infringement claims. The court emphasized that consumers purchasing trademarked goods expect certain quality standards and support services associated with the mark.
Quality Control Non-Compliance as Infringement
Courts have also recognized that trademark owners can establish quality control standards for authorized distribution, and gray market sales that don't comply with these standards constitute infringement. As the Southern District of New York explained in Coty Inc. v. Cosmopolitan Cosms. Inc., goods that don't conform to quality standards are likely to cause confusion about the quality associated with the trademark.
This quality control theory provides powerful leverage against gray market sellers. When brand owners establish legitimate quality requirements—not merely pretextual restrictions designed to prevent resale—gray market goods that don't meet these requirements become infringing products, even though they're physically genuine.

Creating Material Differences Through Distribution Standards
Brands that successfully enforce against gray market sales typically have proactive distribution frameworks already in place. Courts give significantly more weight to quality control systems that existed before enforcement actions began, rather than standards created specifically to combat resale.
The Role of Quality Control Standards in Enforcement
Quality control programs serve as the evidentiary foundation for material difference claims. When these standards are documented, specific, and consistently enforced across authorized dealers, they demonstrate that differences between authorized and gray market products are genuine rather than pretextual.
Temperature-Sensitive Products (supplements, cosmetics, certain electronics) often have quality control standards that include exact temperature and humidity ranges for storage, temperature monitoring systems with documentation requirements, rotation protocols preventing expired products from reaching consumers, specific packaging and handling procedures, and regular compliance audits and certifications for authorized dealers.
Consumer Products Generally may include quality standards defining acceptable storage facilities and conditions, product inspection and quality verification protocols, participation requirements in recall and safety alert systems, lot tracking and inventory management systems, and customer service and return handling specifications.
When these standards exist and are enforced, gray market products become materially different simply by virtue of being sold outside the authorized distribution system. Gray market sellers, by definition, haven't agreed to comply with these requirements and typically cannot verify their products meet these standards. This creates the material difference that courts recognize as supporting trademark infringement claims.
Brands without existing quality control programs face a significantly weaker enforcement position. Courts may view standards created after gray market issues emerge as pretextual attempts to restrict resale rather than legitimate quality measures. For this reason, establishing comprehensive quality standards before enforcement becomes necessary provides the strongest legal foundation.
Non-Transferable Warranties Tied to Quality Verification
A properly structured warranty program creates clear material differences between authorized and gray market products. The key is tying warranty validity to quality verification, not merely to purchase channel.
Effective Warranty Structure: "This warranty covers manufacturing defects and quality issues for products purchased from authorized dealers. The warranty is non-transferable because proper storage conditions and quality compliance cannot be verified after initial sale. Supplements/cosmetics/products degrade under improper storage conditions. Resold products may have been stored improperly, exposed to temperature extremes, or handled in ways that compromise quality, rendering them materially different from products sold through authorized channels with verified quality controls."
This language accomplishes several critical objectives. It explains why warranty transferability is impossible given quality verification requirements, ties non-transferability to genuine quality concerns rather than arbitrary restrictions, educates consumers about why authorized purchase matters for quality assurance, and provides evidence for trademark infringement claims that gray market products differ materially.
Product Authentication and Verification Systems
Modern technology enables sophisticated authentication systems that create additional material differences between authorized and gray market products.
Implementation Strategies: Unique QR codes or serial numbers linking to manufacturer databases, customer registration portals providing safety alerts and product updates, lot-specific certificates of analysis for supplements, blockchain-based supply chain tracking, and tamper-evident packaging with verification features.
These systems don't just help identify gray market goods—they create genuine differences in the consumer experience. Authorized products include access to safety information, product updates, and manufacturer support that gray market products lack.

Leveraging Amazon's Brand Registry and Project Zero
Amazon provides several tools for combating gray market sales, but understanding how to use them effectively requires strategic sophistication.
Brand Registry Enforcement Strategy
Amazon's Brand Registry allows trademark owners to report listings that infringe their intellectual property rights. However, as discussed in previous sections, Amazon won't enforce simple exclusive distribution claims or parallel import restrictions in most jurisdictions.
Effective Gray Market Reporting: When reporting gray market listings through Brand Registry, frame your claim around trademark infringement due to material differences, not unauthorized distribution. Your report should clearly articulate why the listed products differ materially from authorized versions.
State that products sold by the listing seller lack verified storage conditions compliant with your quality standards, don't include lot tracking for safety recalls, cannot be verified as tamper-free, lack manufacturer warranty and support, and don't comply with quality control requirements in your authorized dealer agreements.
Provide supporting documentation including your quality control standards, authorized dealer agreements showing quality requirements, warranty terms explaining non-transferability and quality verification, product labeling indicating authorized dealer restrictions, and evidence of quality issues with gray market products if available.
The distinction from exclusive distribution enforcement is critical. You're not claiming "this seller isn't authorized, so they can't sell our products." You're claiming "this seller's products are materially different due to quality control non-compliance, creating consumer confusion about quality standards associated with our trademark."
Project Zero: Proactive Counterfeit and Gray Market Prevention
Amazon's Project Zero program provides brand owners with powerful tools for automated enforcement. While designed primarily for counterfeit prevention, Project Zero's capabilities extend to gray market goods that create material differences.
Project Zero Components:
Automated Protections: Machine learning models scan Amazon continuously for potential infringement, automatically removing listings that match infringement patterns without requiring manual brand owner reports. For gray market prevention, you can train these models to identify unauthorized sellers who lack verified distribution relationships.
Self-Service Counterfeit Removal: Brand owners can directly remove counterfeit listings without waiting for Amazon investigation. While this tool is explicitly for counterfeits, gray market goods that are materially different due to quality control failures or tampering concerns may qualify, particularly when combined with authentication technology that can verify authorized distribution.
Product Serialization: Amazon's serialization program allows brand owners to apply unique codes to every unit produced. Amazon scans these codes during fulfillment, automatically preventing sale of products with invalid codes. This creates a powerful barrier against gray market goods, as unauthorized sellers won't have access to valid serialization codes.
To leverage Project Zero for gray market prevention, implement product serialization on all units sold through authorized channels, use automated protections to flag unauthorized seller accounts, combine with authentication technology that verifies authorized distribution, and maintain clear quality control documentation showing why gray market products are materially different.
Test Purchases and Evidence Development
Systematic test purchases from gray market sellers provide crucial evidence for both Brand Registry reports and potential litigation.
Evidence Collection Protocol: Regularly purchase products from suspected gray market sellers, document product condition upon receipt (packaging integrity, temperature indicators if applicable, expiration dates), test products for quality issues (potency testing for supplements, functional testing for electronics), photograph all packaging and labeling, preserve lot number information for tracking, and document inability to verify storage history or quality compliance.
This evidence serves multiple purposes in Brand Registry reports demonstrating actual material differences, in cease and desist letters proving quality concerns are genuine not pretextual, and in litigation supporting trademark infringement claims.
Cease and Desist Strategy for Gray Market Sellers
When Brand Registry takedowns prove insufficient, cease and desist letters can effectively remove persistent gray market sellers. However, the letter must be carefully crafted to articulate legitimate trademark infringement rather than mere unauthorized distribution.
Essential C&D Components
Clear Identification of Infringement Basis: "We are writing regarding your sale of [products] bearing our registered [trademark] trademark. While these products may be physically genuine, they are materially different from authorized products in ways that create consumer confusion regarding quality standards associated with our trademark, constituting trademark infringement under federal law."
Specific Material Differences: Detail exactly why gray market products differ, including unknown storage conditions violating quality requirements, lack of verified tamper evidence, absence of lot tracking for recalls, failure to comply with quality control standards, and missing manufacturer warranty and support.
Legal Foundation: Cite relevant case law showing courts recognize material differences create trademark infringement. Reference Zino Davidoff SA v. CVS Corp., 571 F.3d 238 (2d Cir. 2009), Coty Inc. v. Cosmopolitan Cosms. Inc., 432 F. Supp. 3d 345 (S.D.N.Y. 2020), and Beltronics USA, Inc. v. Midwest Inventory Distribution, LLC, 562 F.3d 1067 (10th Cir. 2009).
Evidence of Non-Compliance: Include documentation showing your quality control standards and evidence that recipient's products don't comply (test purchase results, storage condition unknowns, lack of authorized dealer relationship).
Requested Action: Clearly state you're requesting immediate cessation of sales and removal of all Amazon listings, cooperation in identifying product sources, and written confirmation of compliance within specified timeframe.
Following Through on Non-Compliance
Some gray market sellers will ignore cease and desist letters, calculating that brand owners won't follow through with litigation. Your response to non-compliance significantly impacts the effectiveness of future C&D efforts.
Consider escalating enforcement through direct engagement with Amazon's legal team for pattern violations, filing preliminary injunction motions in appropriate cases, and pursuing litigation when damages justify costs and precedent-setting value exists.
International Gray Market Considerations
Gray market sales often involve international product diversion, creating additional complexity in enforcement.
Territorial Trademark Rights and Exhaustion
Different jurisdictions apply different exhaustion rules affecting gray market goods. Understanding these variations is critical for international enforcement.
United States: Applies national exhaustion for domestically manufactured goods but allows enforcement against unauthorized importation of products manufactured abroad, even by authorized foreign licensees. This creates significant leverage against international gray market imports.
European Union: Applies regional exhaustion within the EU, meaning products put on the market anywhere in the EU can be resold anywhere else in the EU without trademark owner permission. However, parallel imports from outside the EU can be prevented. Material difference arguments remain viable even within the EU for quality control non-compliance.
Parallel Import Claims: While Amazon generally doesn't enforce parallel import restrictions, material difference claims based on product variations between markets can succeed. Products formulated differently for different markets, lacking appropriate language labeling, or missing market-specific safety features may be materially different even though physically genuine.
Regional Quality Variations
Many brands manufacture products with regional variations to comply with local regulations or serve market preferences. These variations create legitimate material differences supporting gray market enforcement.
Common Regional Variations: Different formulations to comply with regional regulations (FDA vs. EU specifications), language-specific packaging and instructions, voltage or plug configurations for electronics, and market-specific features or ingredients.
When gray market sellers import products manufactured for other markets, they're selling materially different products that may not comply with local regulations and don't meet consumer expectations for locally-sold goods bearing the trademark.
Industry-Specific Gray Market Strategies
Dietary Supplements and Nutraceuticals
The supplement industry faces particularly acute gray market challenges given the regulatory environment, short shelf life, and storage sensitivity of many products.
Supplement-Specific Enforcement Tools: FDA cGMP compliance documentation showing authorized dealer requirements, temperature monitoring data from authorized distribution, potency testing demonstrating degradation in gray market products, recall protocols that gray market sellers cannot comply with, and adverse event reporting obligations requiring lot traceability.
Supplements also benefit from consumer safety arguments that courts find particularly compelling. When gray market sales undermine recall capabilities or lot tracking, consumer health implications strengthen material difference claims.
Luxury Fashion and Accessories
Luxury brands pioneered many gray market enforcement strategies now applicable across industries. Their experience provides valuable lessons.
Luxury Brand Approaches: Authenticity verification systems that gray market sellers can't access, presentation and merchandising standards maintaining brand image, customer service and alteration services unavailable for gray market goods, and quality inspection protocols ensuring products meet brand standards.
The Zino Davidoff decision arose from the luxury goods context, where courts recognized that brand image and positioning create material differences beyond physical product characteristics.
Consumer Electronics
Electronics present unique gray market challenges involving regional variations, warranty coverage, and technical support.
Electronics-Specific Considerations: Regional voltage and plug configurations, software and firmware versions specific to markets, warranty coverage tied to serial number registration, and technical support requiring purchase verification.
These technical differences provide strong material difference arguments. A consumer purchasing electronics expects compatibility with local standards and access to support services—expectations gray market goods don't satisfy.
Measuring Enforcement Success and ROI
Gray market enforcement requires resource investment. Measuring success ensures efficient allocation of enforcement efforts.
Key Performance Indicators
Track the number of gray market listings removed through Brand Registry, number of cease and desist letters sent and compliance rate, reduction in unauthorized seller presence over time, improvement in average sale price and authorized dealer performance, and reduction in customer complaints about product quality.
Cost-Benefit Analysis
Not every gray market seller justifies aggressive enforcement. Prioritize enforcement based on seller volume and revenue impact, quality issues with their products, reputational damage risk, precedent-setting value of the case, and likelihood of success given evidence and legal strength.
Focus resources on high-impact enforcement that protects brand positioning and authorized dealer relationships while deterring future gray market entrants.
Building Long-Term Gray Market Resistance
Sustainable gray market prevention requires more than reactive enforcement. Build structural resistance into your business model.
Strategic Approaches: Make authorized purchase demonstrably superior through exclusive content, customer support, or product features. Develop strong authorized dealer relationships with fair pricing and support. Implement product authentication technology making gray market goods identifiable. Create subscription or membership programs providing ongoing value unauthorized channels can't replicate. Build brand loyalty that makes consumers prefer authorized purchase despite price differences.
The most effective gray market strategy combines legal enforcement with business model innovation that makes authorized channels the obvious choice for consumers.
Contact Yomtobian Law for Gray Market Enforcement
Gray market enforcement requires sophisticated understanding of trademark law, international trade regulations, and e-commerce platform policies. Whether you're developing quality control programs, pursuing Brand Registry takedowns, or considering litigation against persistent gray market sellers, experienced counsel can help you build an effective enforcement strategy.
At Yomtobian Law, we help supplement brands, luxury goods companies, consumer electronics manufacturers, and other premium brands combat gray market sales while navigating the complexities of first sale doctrine limitations. We understand how to structure quality control programs that create enforceable material differences, leverage Amazon's Brand Registry and Project Zero effectively, pursue cease and desist and litigation strategies when necessary, and build long-term gray market resistance into your business model.
If gray market sellers are undermining your pricing strategy, damaging relationships with authorized dealers, or creating consumer confusion about product quality, contact us to discuss your enforcement options. We'll assess whether material difference claims apply to your products, help develop quality control programs supporting enforcement, handle Brand Registry reporting and platform engagement, draft and send cease and desist letters to unauthorized sellers, and represent you in litigation when strategic value justifies the investment.
Contact Alan Yomtobian:
Email: Alan@yomtobianlaw.com
Phone: 516-234-0789
Website: Yomtobianlaw.com
Don't let gray market sellers erode your brand positioning and authorized dealer network. Let's discuss how to protect your trademark rights while building sustainable competitive advantages that make authorized purchase the obvious consumer choice.
Legal Disclaimer
This article provides general information about trademark law and gray market enforcement strategies. It does not constitute legal advice and should not be relied upon as such. Gray market enforcement involves complex legal questions that depend heavily on specific facts, international trade regulations, and jurisdictional variations. No attorney-client relationship is created by reading this article or contacting our firm for initial consultation. Outcomes in legal matters cannot be guaranteed and past results do not predict future success. Trademark enforcement strategies must be tailored to specific circumstances and should only be pursued with guidance from qualified counsel. For advice about your specific situation, please consult with a qualified trademark attorney licensed in your jurisdiction.
Citations
Beltronics USA, Inc. v. Midwest Inventory Distribution, LLC, 562 F.3d 1067 (10th Cir. 2009).
Conair LLC v. Lighthouse Wholesale, LLC, No. 3:23-cv-1038 (JCH), 2024 U.S. Dist. LEXIS 64489 (D. Conn. Apr. 9, 2024).
Coty Inc. v. Cosmopolitan Cosms. Inc., 432 F. Supp. 3d 345 (S.D.N.Y. 2020).
El Greco Leather Prods. v. Shoe World, Inc., 806 F.2d 392 (2d Cir. 1986).
Iberia Foods Corp. v. Romeo, 150 F.3d 298 (3d Cir. 1998).
Lever Bros. Co. v. American Barrel & Mfg. Co., 222 F. 843 (S.D.N.Y. 1915).
Societe Des Produits Nestle, S.A. v. Casa Helvetia, Inc., 982 F.2d 633 (1st Cir. 1992).
Weil Ceramics & Glass, Inc. v. Dash, 618 F.3d 262 (3d Cir. 2010).
Zino Davidoff SA v. CVS Corp., 571 F.3d 238 (2d Cir. 2009).


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