US 10614938 — Patent Expiration

W-CONTAINING R-FE-B-CU SINTERED MAGNET AND QUENCHING ALLOY

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Important: This calculator does not include patent term extension under 35 U.S.C. § 156, which may apply to certain drug, biologic, animal drug, and medical device patents.

Learn more about PTE and patent expiration

US 10614938

W-containing R-fe-b-cu Sintered Magnet And Quenching Alloy

High Confidence

Application No. 16410090

March 31, 2035

8y 272d remaining

Could not fetch continuity data for application PCTCN2015075512: Resource not found (404)

Earliest effective filing

Mar 31, 2015

+ 20 years

Mar 31, 2035

PTA +0d

Mar 31, 2035

TD applied

Mar 31, 2035

Final

Mar 31, 2035

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. Note: terminal disclaimers can affect PTA (In re Cellect, LLC).

Calculation Details

Base Term Calculation

Filing Date

May 13, 2019

Earliest Effective Filing

March 31, 2015

Issue Date

April 7, 2020

PTA

0 days

Base Expiry (before PTA)

March 31, 2035

March 31, 2015 + 20 years = March 31, 2035

Continuation-in-Part of application 15185430, filed Jun 17, 2016, issued as US 10381139

Continuation of application PCTCN2015075512, filed Mar 31, 2015

Terminal Disclaimer Analysis

TD Approved

1 approved, 1 filed

TD caps expiration to March 31, 2035

US 10381139(App. 15185430)

Capping Patent

W-containing R-fe-b-cu Sintered Magnet And Quenching Alloy

Filing Date

Jun 17, 2016

Earliest Effective Filing

Mar 31, 2015

Issue Date

Aug 13, 2019

PTA

+239 days

Calculated Expiration

Nov 25, 2035

Continuation of PCTCN2015075512, filed Mar 31, 2015

Mar 31, 2015 + 20y + 239d PTA = Nov 25, 2035

US 10614938(App. 16410090)(from app 16410090)

Capping Patent

W-containing R-fe-b-cu Sintered Magnet And Quenching Alloy

Filing Date

May 13, 2019

Earliest Effective Filing

Mar 31, 2015

Issue Date

Apr 7, 2020

PTA

0 days

Calculated Expiration

Mar 31, 2035

Continuation-in-Part of 15185430, filed Jun 17, 2016, issued as US 10381139

Continuation of PCTCN2015075512, filed Mar 31, 2015

Mar 31, 2015 + 20y = Mar 31, 2035

Data 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.