US 8,175,148 · Application 11/881,367 · Granted May 8, 2012
US 8,175,148
Method and device for indicating quantizer parameters in a video coding system
Estimated expiration
December 3, 2026
86 days remaining
Earliest effective filing
Apr 23, 2003
+ 20 years
Apr 23, 2023
PTA +1320d
Dec 3, 2026
No TD
—
Final
Dec 3, 2026
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
- July 26, 2007
- Earliest effective filing
- April 23, 2003
- Issue date
- May 8, 2012
- PTA
- +1320 days
- Base expiry (before PTA)
- April 23, 2023
April 23, 2003 + 20 years = April 23, 2023 + 1320 PTA days = December 3, 2026
- Divisional of application 10/421,629, filed Apr 23, 2003, issued as US 7,263,125
- PRO60/374,667 — Provisional — not used for base term
- PRO60/374,667 — 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
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Application 11/881,367 · US 8,175,148
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www.patentreply.ai/tools/patent-expiration/US8175148Data 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.