Published October 26, 2026 | Version v1

Challenge a Patent: Patent Trial and Appeal Board 1-Year 315(b) Deadline—File or Wait?

Authors/Creators

Description

Challenge a patent at PTAB: learn the one-year §315(b) deadline, filing risks, evidence checks, and whether to file now or wait before the bar applies.

Independent technical note mirroring the canonical version: https://patentreviewpro.com/blog/challenge-a-patent-patent-trial-and-appeal-board-1-year-315b-deadlinefile-or-wait.php

Notes

Independent analysis; not peer-reviewed.

Files

blog_challenge-a-patent-patent-trial-and-appeal-board-1-year-315b-deadlinefile-o.pdf

Files (37.2 kB)

Additional details