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米国特許しらべ

USPTO Patent Trial and Appeal Board (PTAB)

PTAB conducts trials and hears appeals from adverse examiner decisions in patent applications and reexamination proceedings, and renders decisions in interferences.

Task
Check application status
Patent or trademark
patent
Legacy system
—
Current entry point
uspto.gov/patents/ptab (verified 2026-09-24)
Legacy system and where it moved
No legacy system name mentioned on the page (verified 2026-09-24)
Fee
No fee statement on the page (inquiries need no account) (verified 2026-09-24)
What you need (account or API key)
No account required to view; a USPTO.gov account is needed to take part in proceedings (the page links to Create an account, verified 2026-09-24)
Source
USPTO Patent Trial and Appeal Board (PTAB)(retrieved 2026-10-06)

Everything in the same category

Check application status (all 241) · patent (all 1090)

Related entry points

All USPTO service