Last Updated: September 24, 2026

Details for Patent: 12,247,034

Name: Drug Patent Intelligence for US Patent 12247034
Creator: DrugPatentWatch
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Which drugs does patent 12,247,034 protect, and when does it expire?

Patent 12,247,034 protects LEQSELVI and is included in one NDA.

This patent has ten patent family members in eight countries.

Summary for Patent: 12,247,034

Title:	Crystalline form of deuruxolitinib phosphate
Abstract:	The present disclosure is directed to polymorph Form 1 of 1H-pyrazole-1-propanenitrile, β-(cyclopentyl-2,2,3,3,4,4,5,5-d8)-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-, (βR)-, phosphate (1:1) (deuruxolitinib phosphate). Also disclosed are methods of treatment using polymorph Form 1 of deuruxolitinib phosphate and methods of making polymorph Form 1 of deuruxolitinib phosphate.
Inventor(s):	Sean WIEDEMANN
Assignee:	Sun Pharmaceutical Industries Inc
Application Number:	US18/661,225
Patent Claim Types: see list of patent claims	Composition;

Drugs Protected by US Patent 12,247,034

Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Sun Pharm Inds Inc	LEQSELVI	deuruxolitinib phosphate	TABLET;ORAL	217900-001	Jul 25, 2024		RX	Yes	Yes	12,247,034	⤷ Start Trial	Y	Y			⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 12,247,034

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2025202829	⤷ Start Trial
China	121175051	⤷ Start Trial
European Patent Office	4658274	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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