Wednesday, June 10, 2026

Patent intelligence · US

US 2002127247

Modified clostridial neurotoxins with altered biological persistence

expired A61K 38/ 00 A IA61K39/08A61P 11/ 00 A IA61P 11/ 06 A I
Status expired
Linked drugs 2
Pipeline programs 6
Years to expiry 0
Applicant portfolio 24
Patent details — US 2002127247
Jurisdiction
US
Status
expired
Grant date
Sep 12, 2002
Expiration
Sep 7, 2022
CPC classes
A61K 38/ 00 A I, A61K39/08, A61P 11/ 00 A I, A61P 11/ 06 A I
View on Google Patents ↗

Quick answer

US 2002127247 (Modified clostridial neurotoxins with altered biological persistence) is held by ALLERGEN SALES INC [US]. Status: expired. Granted Sep 12, 2002. Expires Sep 7, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 38/ 00 A I, A61K39/08, A61P 11/ 00 A I, A61P 11/ 06 A I, A61P 13/ 00 A I, A61P 21/ 00 A I

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Frequently asked questions

What is US patent 2002127247?

US 2002127247 (Modified clostridial neurotoxins with altered biological persistence) is held by ALLERGEN SALES INC [US]. Status: expired. Granted Sep 12, 2002. Expires Sep 7, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 2002127247?

ALLERGEN SALES INC [US] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 24 pharmaceutical patents for this assignee.

When does US 2002127247 expire?

Our index shows an expiration date of Sep 7, 2022 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.