US 12,640,128 · Application 18/943,322 · Granted May 26, 2026
US 12,640,128
Adaptation and modification of a theremin system
Estimated expiration
February 26, 2041
14y 129d remaining
Earliest effective filing
Feb 26, 2021
+ 20 years
Feb 26, 2041
PTA +0d
Feb 26, 2041
TD cap (US 12,170,076)
Feb 26, 2041
Final
Feb 26, 2041
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. Terminal disclaimers can affect PTA (In re Cellect, LLC).
Calculation details
Base term
- Filing date
- November 11, 2024
- Earliest effective filing
- February 26, 2021
- Issue date
- May 26, 2026
- PTA
- 0 days
- Base expiry (before PTA)
- February 26, 2041
February 26, 2021 + 20 years = February 26, 2041
- Continuation of application 17/186,194, filed Feb 26, 2021, issued as US 12,170,076
- PRO63/100,156 — Provisional — not used for base term
- PRO63/100,156 — Provisional — not used for base term
Terminal disclaimers
TD caps expiration to February 26, 2041 (earliest expiring referenced patent: US 12,170,076)
US 12,170,076· Application 17/186,194Capping patent
Adaptation and modification of a theremin system
- Filing date
- Feb 26, 2021
- Earliest effective filing
- Feb 26, 2021
- Issue date
- Dec 17, 2024
- PTA
- 0 days
- Calculated expiration
- Feb 26, 2041
Feb 26, 2021 + 20y = Feb 26, 2041
US 12,640,128· Application 18/943,322(from application 18/943,322)
Adaptation and modification of a theremin system
- Filing date
- Nov 11, 2024
- Earliest effective filing
- Feb 26, 2021
- Issue date
- May 26, 2026
- PTA
- 0 days
- Calculated expiration
- Feb 26, 2041
Continuation of 17/186,194, filed Feb 26, 2021, issued as US 12,170,076
Feb 26, 2021 + 20y = Feb 26, 2041
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 18/943,322 · US 12,640,128
You have the date. Your AI can have the file.
PatentReply compiles the prosecution history behind US 12,640,128: 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/US12640128Data 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.