July 28, 2026
A divided panel of the Patent Trial and Appeal Board has decided that Cambridge Industries USA Inc. failed to show that any challenged claims are invalid in an Applied Optoelectronics Inc. patent on technology used in fiber optic networks.
August 29, 2025
Acting U.S. Patent and Trademark Office Director Coke Morgan Stewart issued only a handful of decisions on whether to discretionarily deny Patent Trial and Appeal Board petitions over the last week, and nearly all favored the challenger.
July 08, 2025
Acting U.S. Patent and Trademark Office Director Coke Morgan Stewart inundated the patent community in May and June with dozens of rulings altering the landscape of discretionary denials at the Patent Trial and Appeal Board. Here, Law360 goes through what you should know.
June 26, 2025
Leaders at the U.S. Patent and Trademark Office discretionarily denied 13 more petitions for inter partes review on Thursday, where the acting director offered more guidance on how she's deciding when a patent owner can rest on settled expectations that its patent wouldn't be challenged.