Grammar Rules Win the Day in Streaming Patent Dispute

NETFLIX, INC. v. DIVX, LLC Authored by: Jeremy J. Gustrowsky The Federal Circuit recently reversed a Patent Trial and Appeal Board decision in a case involving U.S. Patent No. 10,225,588, which covers systems for streaming partially encrypted media content. The…

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Navigating U.S. Patent Grace Periods: Essential Knowledge for International Patent Practitioners

Authored by: Joshua P. Astin As a foreign associate, you’ve likely encountered this scenario: your client excitedly shares news about presenting their breakthrough invention at a major conference, only to mention afterward that they haven’t filed any patent applications yet.…

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Goodyear Wins Trade Secret and Inventorship Dispute Over Self-Inflating Tire Technology

Coda Dev. S.R.O. v. Goodyear Tire & Rubber Co. Authored by: Jeremy J. Gustrowsky A recent decision has brought closure to a long-running legal dispute over self-inflating tire technology, with Goodyear Tire & Rubber Company prevailing against claims from Coda…

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Who Counts as an Inventor? Federal Circuit Clarifies “By Another” Prior Art Rule in Merck v. Hopewell

Merck Serono S.A. v. Hopewell Pharma Ventures, Inc Authored by: Jeremy J. Gustrowsky The Federal Circuit recently clarified when a prior publication counts as “prior art” against a patent with overlapping inventors. In Merck Serono S.A. v. Hopewell Pharma Ventures,…

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Federal Circuit Clarifies Patent Scope and Trade Dress in Shower Curtain IP Dispute

Focus Prods. Grp. Int’l, LLC v. Kartri Sales Co(2) Authored by: Jeremy J. Gustrowsky The Federal Circuit’s September 30, 2025 decision in Focus Products Group International, LLC v. Kartri Sales Co. provides important guidance on patent claim interpretation, trademark standing,…

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Documenting Your Invention Process: A Crucial Step for Patent Protection

Are you in the exciting process of bringing your invention to life? One of the most important steps you can take is to document your journey meticulously. This documentation is vital for patent protection and helps establish that the idea…

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Who Really Invented the Ointment? Federal Circuit Clarifies AIA Derivation Proceedings in Global Health Solutions v. Selner

Glob. Health Sols. LLC v. Selner Authored by: Jeremy J. Gustrowsky In a significant decision for patent law, the Federal Circuit in Global Health Solutions LLC v. Selner (148 F.4th 1363, decided August 26, 2025) clarified how derivation proceedings work…

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Federal Circuit Clarifies Obviousness Standards for Drug Dosing Patents

Janssen Pharms., Inc. v. Teva Pharms. USA, Inc Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit provided important guidance on how courts should analyze the obviousness of pharmaceutical dosing regimen patents. The case involved Janssen’s U.S.…

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Understanding Patents vs. Copyrights: Safeguarding Your Creative Ideaslaw

When it comes to protecting your creative ideas, understanding the difference between a patent and a copyright is crucial. A patent is a legal right granted by the government, allowing the inventor to exclude others from making, using, selling, or…

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Patent Reissue Claims: Federal Circuit Says Actual Claim Language, Not Inventor Intent, Controls Scope

In re Kostic Authored by: Jeremy J. Gustrowsky In a recent decision, the Federal Circuit clarified an important rule for patent owners seeking to broaden their claims through a reissue: what matters is the actual language of the original claims,…

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Federal Circuit Clarifies Limits on Using “Admitted Prior Art” in Patent Challenges

Qualcomm Inc. v. Apple Inc Authored by: Jeremy J. Gustrowsky In a significant decision for patent law, the Federal Circuit has clarified how “applicant admitted prior art” (AAPA) can—and cannot—be used in inter partes review (IPR) proceedings. The case involved…

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I’ll Sell It First, Then Patent It Later: What You Need to Know About the U.S. Patent System

Did you know that the U.S. patent system allows inventors a whole year to file for patent protection after they first disclose their idea or put it up for sale? This is great news, but there are some important things…

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