NUTRITIONAL SUPPLEMENT TO TREAT MACULAR DEGENERATION
www.patentreply.ai/tools/patent-expiration/US6660297Important: 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 calculatedNutritional Supplement To Treat Macular Degeneration
Application No. 09816284
March 23, 2021
Expired 1952 days agoEarliest effective filing
Mar 23, 2001
+ 20 years
Mar 23, 2021
PTA +0d
Mar 23, 2021
No TD
—
Final
Mar 23, 2021
Filing Date
March 23, 2001
Earliest Effective Filing
March 23, 2001
Issue Date
December 9, 2003
PTA
0 days
Base Expiry (before PTA)
March 23, 2021
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.