Step 1: Sign Up for Amazon Brand Registry. Amazon Accused of Patent Infringement: This typically occurs when a third-party Amazon seller is selling a patented product without the proper license.Need to fight an Amazon patent violation so you can sell more products? The most surefire way to reactivate your listing is a court order stating your product does not infringe. Amazon's APEX program offers a new, inexpensive weapon for patent owners. Note that the seller of the infringing product may also reach out to you to ask you to retract the claim, or to negotiate a resolution. A Washington court recently held that Amazon was not liable for patent infringement when other companies sold infringing goods on Amazon's website. To schedule a consultation with an Amazon patent attorney at our firm, call 8886001925 or reach out through our contact page. Otherwise, Amazon has an elaborate binding mediation system for handling patent infringement disputes.