Last Updated: November 9, 2026

Details for Patent: 11,103,452

Name: Drug Patent Intelligence for US Patent 11103452
Creator: DrugPatentWatch
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Which drugs does patent 11,103,452 protect, and when does it expire?

Patent 11,103,452 protects QDOLO and is included in one NDA.

This patent has one patent family member in one country.

Summary for Patent: 11,103,452

Title:	Tramadol hydrochloride solution
Abstract:	Disclosed herein is an analgesic solution for the treatment of pain comprising a pain-relieving effective amount of tramadol or a pharmaceutically acceptable salt thereof, a method of treating pain by administering said analgesic solution to a subject in need thereof, a kit that includes containers of the analgesic solution, and a dosing regimen for the analgesic solution.
Inventor(s):	H. Greg Thomas, Richard Levasseur, Jeffrey S. Kiel
Assignee:	Rosemont Pharmaceuticals LLC
Application Number:	US17/009,565
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 11,103,452
Patent Claim Types: see list of patent claims	Use; Composition; Formulation;

Drugs Protected by US Patent 11,103,452

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
Rosemount	QDOLO	tramadol hydrochloride	SOLUTION;ORAL	214044-001	Sep 1, 2020		DISCN	Yes	No	11,103,452	⤷ Start Trial	Y			MANAGEMENT OF PAIN SEVERE ENOUGH TO REQUIRE AN OPIOID ANALGESIC AND FOR WHICH ALTERNATIVE TREATMENTS ARE INADEQUATE	⤷ 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 11,103,452

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
World Intellectual Property Organization (WIPO)	2021092406	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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