Can my patent be challenged after it is issued?
保存版の掲載情報です。最新の営業状況・料金・利用条件は出典をご確認ください。
保存されている情報
Yes. During the first nine months after its issue or reissue, a patent can be challenged in post-grant review (PGR). After this nine-month period has ended and after any PGR challenge has been terminated, the patent can be challenged in an inter partes review (IPR). 35 U.S.C. § 311(c). These…
- Current entry point
- Answer details at www.uspto.gov/patents/ptab/faqs, PTAB trials via Patent Center (verified 2026-09-29)
- Legacy system and where it moved
- No site-wide statement on the page (verified 2026-09-29)
- Fee
- Confirmed per answer on the page (no site-wide statement, verified 2026-09-29)
- What you need (account or API key)
- Confirmed per answer on the page (no site-wide statement, verified 2026-09-29)
原データ更新日：2026-10-06
保存版に記録された日付です。今回の実装・デプロイ日ではありません。