Wednesday, July 8, 2026

Patent intelligence · US

US 9873677

Pharmaceutical compositions and salts of a 1,2,4-oxadiazole benzoic acid

granted A61KA61K31/4245A61K9/0048A61P
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 12
Applicant portfolio 149
Patent details — US 9873677
Jurisdiction
US
Status
granted
Grant date
Jan 23, 2018
Expiration
Jan 18, 2038
Claims
21
CPC classes
A61K, A61K31/4245, A61K9/0048, A61P
View on Google Patents ↗

Quick answer

US 9873677 (Pharmaceutical compositions and salts of a 1,2,4-oxadiazole benzoic acid) is held by PTC THERAPEUTICS, INC.. Status: granted. Granted Jan 23, 2018. Expires Jan 18, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
21
CPC classes
A61K, A61K31/4245, A61K9/0048, A61P, A61P27/02, A61P27/06

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Frequently asked questions

What is US patent 9873677?

US 9873677 (Pharmaceutical compositions and salts of a 1,2,4-oxadiazole benzoic acid) is held by PTC THERAPEUTICS, INC.. Status: granted. Granted Jan 23, 2018. Expires Jan 18, 2038 (12 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9873677?

PTC THERAPEUTICS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 149 pharmaceutical patents for this assignee.

When does US 9873677 expire?

Our index shows an expiration date of Jan 18, 2038 (12 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.