www.patentreply.ai/tools/patent-expiration/US10954438Important: 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 calculatedProcess For Improved Halide Materials
Application No. 15574539
August 29, 2036
10y 35d remainingEarliest effective filing
May 18, 2015
+ 20 years
May 18, 2035
PTA +469d
Aug 29, 2036
No TD
—
Final
Aug 29, 2036
Filing Date
November 16, 2017
Earliest Effective Filing
May 18, 2015
Issue Date
March 23, 2021
PTA
+469 days
Base Expiry (before PTA)
May 18, 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.