US 7,368,638 · Application 11/281,287 · Granted May 6, 2008
US 7,368,638
Tetraploid perennial ryegrass variety t3
Estimated expiration
November 17, 2025
Expired 341 days ago
Earliest effective filing
Nov 17, 2005
+ 20 years
Nov 17, 2025
PTA +0d
Nov 17, 2025
No TD
—
Final
Nov 17, 2025
This calculation includes patent term adjustment (PTA) under 35 U.S.C. §154(b). Patent term extension (PTE) under 35 U.S.C. §156 (for FDA-regulated products) is not included.
Calculation details
Base term
- Filing date
- November 17, 2005
- Earliest effective filing
- November 17, 2005
- Issue date
- May 6, 2008
- PTA
- 0 days
- Base expiry (before PTA)
- November 17, 2025
November 17, 2005 + 20 years = November 17, 2025
- PRO60/638,894 — Provisional — not used for base term
Terminal disclaimers
Patent term extension under 35 U.S.C. §156, which can apply to certain drug, biologic, animal drug and medical device patents, is not included in this calculation. How PTE is calculated
The prosecution record for your AI
Application 11/281,287 · US 7,368,638
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www.patentreply.ai/tools/patent-expiration/US7368638Data sourced from public USPTO records. This tool provides informational estimates and should not be relied upon as legal advice. Always verify patent expiration dates independently, especially where patent term extension, terminal disclaimers, or unusual continuity issues may apply.