Wednesday, July 8, 2026

Patent intelligence · US

US 7537923

Compositions of prokaryotic phenylalanine ammonia-lyase and methods of treating cancer using compositions thereof

granted A61KA61K38/164A61K38/51A61P
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 3
Applicant portfolio 175
Patent details — US 7537923
Jurisdiction
US
Status
granted
Grant date
May 26, 2009
Expiration
May 21, 2029
Claims
9
CPC classes
A61K, A61K38/164, A61K38/51, A61P
View on Google Patents ↗

Quick answer

US 7537923 (Compositions of prokaryotic phenylalanine ammonia-lyase and methods of treating cancer using compositions thereof) is held by BIOMARIN PHARMACEUTICAL INC.. Status: granted. Granted May 26, 2009. Expires May 21, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
9
CPC classes
A61K, A61K38/164, A61K38/51, A61P, A61P1/04, A61P11/00

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Frequently asked questions

What is US patent 7537923?

US 7537923 (Compositions of prokaryotic phenylalanine ammonia-lyase and methods of treating cancer using compositions thereof) is held by BIOMARIN PHARMACEUTICAL INC.. Status: granted. Granted May 26, 2009. Expires May 21, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7537923?

BIOMARIN PHARMACEUTICAL INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 175 pharmaceutical patents for this assignee.

When does US 7537923 expire?

Our index shows an expiration date of May 21, 2029 (3 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.