The USPTO designated Ex parte Chowdhury informative on August 25, 2026. The PTAB decision explains why structurally different alternatives may form a proper Markush group when the specification shows they perform the same relevant function.
The Federal Circuit’s September 2, 2026 precedential decision in Netlist v. Micron affirmed a PTAB obviousness ruling while reinforcing that IPR proceedings remain bound by the petition. The decision also shows why alleged petition-scope errors may not warrant reversal when an independent, properly supported ground makes the error harmless.
Learn how actual use, federal filing dates, intent-to-use applications, geography, and evidence determine trademark priority in the United States.
A practical guide to patent inequitable conduct, including but-for materiality, specific intent, pleading requirements, evidence, and litigation strategy.
A patent infringement win does not automatically stop the accused product. This guide explains the eBay four-factor test for permanent patent injunctions and the evidence courts consider.
Don’t just lawyer up.
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