US 8,217,147 · Application 11/502,820 · Granted Jul 10, 2012
US 8,217,147
Identification and engineering of antibodies with variant fc regions and methods of using same
Estimated expiration
—
- Maintenance fee lapse detected.
- Patent may have expired due to maintenance fees: Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Earliest effective filing
Aug 10, 2006
+ 20 years
—
PTA +0d
—
No TD
—
Final
—
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
- August 10, 2006
- Earliest effective filing
- August 10, 2006
- Issue date
- July 10, 2012
- PTA
- 0 days
- Base expiry (before PTA)
- —
August 10, 2006 + 20 years = —
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
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Application 11/502,820 · US 8,217,147
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www.patentreply.ai/tools/patent-expiration/US8217147Data 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.