Beginning October 1, 2026, new U.S.-origin Madrid Protocol applications must be filed through WIPO’s Madrid e-Filing system. This guide explains the account, payment, workflow, and portfolio-strategy changes trademark owners should prepare for.
The Federal Circuit held that a patent reference needs substantive written-description support—not just priority paperwork—before it can use a provisional filing date as prior art.
A recent Federal Circuit decision shows why design patent owners seeking an early injunction need a persuasive ordinary-observer comparison, careful treatment of functional features, and concrete evidence of irreparable harm.
The USPTO’s 2027 Nice Classification update changes Class 6 punctuation and modernizes diving terminology in Class 9. Here is what changes, what does not, and how applicants should approach classifications and identifications.
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.
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