Wednesday, July 8, 2026

Patent intelligence · US

US 12427199

Self-assembled diblock copolymers composed of pegmema and drug bearing polymeric segments

granted A61KA61K47/58A61K47/60A61K47/65
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 19
Applicant portfolio 136
Patent details — US 12427199

Quick answer

US 12427199 (Self-assembled diblock copolymers composed of pegmema and drug bearing polymeric segments) is held by RS ARASTIRMA EGITIM DANISMANLIK ILAC SANAYI TICARET ANONIM SIRKETI. Status: granted. Granted Sep 30, 2025. Expires Sep 25, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
14
CPC classes
A61K, A61K47/58, A61K47/60, A61K47/65, A61K47/6907, A61P

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Frequently asked questions

What is US patent 12427199?

US 12427199 (Self-assembled diblock copolymers composed of pegmema and drug bearing polymeric segments) is held by RS ARASTIRMA EGITIM DANISMANLIK ILAC SANAYI TICARET ANONIM SIRKETI. Status: granted. Granted Sep 30, 2025. Expires Sep 25, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12427199?

RS ARASTIRMA EGITIM DANISMANLIK ILAC SANAYI TICARET ANONIM SIRKETI is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 136 pharmaceutical patents for this assignee.

When does US 12427199 expire?

Our index shows an expiration date of Sep 25, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.