US 8431717 — Patent Expiration

PROCESS FOR THE PREPARATION OF 5-(2-ETHYL-DIHYDRO-1H-INDEN-2-YL)-1H-IMIDAZOLE AND SALTS THEREOF

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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 how PTE is calculated

US 8431717

Process For The Preparation Of 5-(2-ethyl-dihydro-1h-inden-2-yl)-1h-imidazole And Salts Thereof

High Confidence

Application No. 12734777

February 27, 2030

3y 213d remaining

Could not fetch continuity data for application PCTEP2008066709: Resource not found (404)

Earliest effective filing

Dec 3, 2008

+ 20 years

Dec 3, 2028

PTA +451d

Feb 27, 2030

No TD

—

Final

Feb 27, 2030

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 Calculation

Filing Date

September 20, 2010

Earliest Effective Filing

December 3, 2008

Issue Date

April 30, 2013

PTA

+451 days

Base Expiry (before PTA)

December 3, 2028

December 3, 2008 + 20 years = December 3, 2028 + 451 PTA days = February 27, 2030

National Stage Entry of application PCTEP2008066709, filed Dec 3, 2008

Terminal Disclaimer Analysis

No TD

0 approved, 0 filed

Who owns this patent?

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.