Patent Trial and Appeal Board | USPTO
PTAB conducts trials and hears appeals from adverse examiner decisions in patent applications and reexamination proceedings, and renders decisions in interferences.
Patent Trial and Appeal Board | USPTO
Nov 3, 2025 · PTAB is a tribunal within the USPTO that reviews rejections made by examiners in ex parte appeals and decides patentability questions for issued patents raised by third parties in AIA trials.
About PTAB | USPTO
The Patent Trial and Appeal Board (PTAB) is a tribunal within the United States Patent and Trademark Office (USPTO) that reviews rejections made by examiners in proceedings called ex parte appeals …
Decisions | USPTO
Jul 24, 2023 · Browse public final agency decisions of PTAB, including decisions designated as precedential or informative.
Precedential and informative decisions | USPTO
If you are interested in anonymously nominating a routine decision of the Board for either designation as precedential or informative, or de-designation of precedential or informative status, please complete …
Trials | USPTO
Apr 9, 2025 · Information about proceedings conducted by the Patent Trial and Appeal Board (PTAB), including inter partes review, post-grant review, the transitional post-grant review for covered …
PTABについて | USPTO
Apr 14, 2025 · PTABは、米国特許商標庁（USPTO）内の法廷で、審査官による拒絶を一方的控訴として再審査し、第三者が提起した発行済み特許の特許性疑問をAIA審判と呼ばれる手続きで決定しま …
PTAB Open Data - United States Patent and Trademark Office
Learn about this feature in our latest release notes. Learn more about the new Open Data Portal and sign up for updates on data.uspto.gov. This site is the electronic warehouse for PTAB trial, appeal, …
关于 PTAB | USPTO
Apr 14, 2025 · 专利审判和上诉委员会 (PTAB) 是美国专利商标局 (USPTO) 内的一个法庭，负责审查审查员在称为单方面上诉的程序中作出的驳回，并决定第三方在称为 AIA 的程序中提出的已发布专利的 …
Resources and guidance | USPTO
Advance Notice of Proposed Rulemaking for AIA Proceedings before the PTAB (April 21, 2023)