US 8894706 — Patent Expiration

NON-PROLATE BI-SIGN ASPHERIC INTRAOCULAR LENS

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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 8894706

Non-prolate Bi-sign Aspheric Intraocular Lens

High Confidence

Application No. 12415742

October 22, 2030

4y 111d remaining

Earliest effective filing

Mar 31, 2009

+ 20 years

Mar 31, 2029

PTA +570d

Oct 22, 2030

No TD

—

Final

Oct 22, 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

March 31, 2009

Earliest Effective Filing

March 31, 2009

Issue Date

November 25, 2014

PTA

+570 days

Base Expiry (before PTA)

March 31, 2029

March 31, 2009 + 20 years = March 31, 2029 + 570 PTA days = October 22, 2030

PRO

61159369 — Provisional — not used for base term

Terminal Disclaimer Analysis

No TD

0 approved, 0 filed

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.