US 12,595,477 · Application 18/058,664 · Granted Apr 7, 2026
US 12,595,477
Complement factor b-modulating compositions and methods of use thereof
Estimated expiration
July 16, 2044
17y 274d remaining
Earliest effective filing
Nov 23, 2022
+ 20 years
Nov 23, 2042
PTA +601d
Jul 16, 2044
No TD
—
Final
Jul 16, 2044
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 23, 2022
- Earliest effective filing
- November 23, 2022
- Issue date
- April 7, 2026
- PTA
- +601 days
- Base expiry (before PTA)
- November 23, 2042
November 23, 2022 + 20 years = November 23, 2042 + 601 PTA days = July 16, 2044
- PRO63/339,873 — Provisional — not used for base term
- PRO63/302,976 — Provisional — not used for base term
- PRO63/287,952 — Provisional — not used for base term
- PRO63/283,177 — 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 18/058,664 · US 12,595,477
You have the date. Your AI can have the file.
PatentReply compiles the prosecution history behind US 12,595,477: the claims as filed and as allowed, every Office Action and response, and the cited references, with each answer pointing back to the filed passage.
One new public application a month is free. The first compile takes a few minutes.
Strategy and filing changes require your approval.
Permanent link
www.patentreply.ai/tools/patent-expiration/US12595477Data 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.