List of KemPharm patents

Patents where

Current Assignee

Name

KemPharm

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 8101661 Polar hydrophilic prodrugs and non-standard amino acid conjugates of amphetamine and other stimulants and processes for making and using the same	Patent 8101661 was granted and assigned to KemPharm on January, 2012 by the United States Patent and Trademark Office.		KemPharm	United States Patent and Trademark Office	8101661	January 24, 2012
‌ US Patent 11234975 Levorphanol prodrugs and processes for making and using them	Patent 11234975 was granted and assigned to KemPharm on February, 2022 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	11234975	February 1, 2022
‌ US Patent 11174229 D-amphetamine compounds, compositions, and processes for making and using the same	Patent 11174229 was granted and assigned to KemPharm on November, 2021 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	11174229	November 16, 2021
‌ US Patent 9650387 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereof	Patent 9650387 was granted and assigned to KemPharm on May, 2017 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	9650387	May 16, 2017
‌ US Patent 8927716 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof	Patent 8927716 was granted and assigned to KemPharm on January, 2015 by the United States Patent and Trademark Office.	‌ KEMPHARM, INC	KemPharm	United States Patent and Trademark Office	8927716	January 6, 2015
‌ US Patent 10351574 Pharmaceutically acceptable salts and polymorphic forms of hydrocodone benzoic acid enol ester and processes for making same	Patent 10351574 was granted and assigned to KemPharm on July, 2019 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10351574	July 16, 2019
‌ US Patent 9566343 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof	Patent 9566343 was granted and assigned to KemPharm on February, 2017 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	9566343	February 14, 2017
‌ US Patent 9872915 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof	Patent 9872915 was granted and assigned to KemPharm on January, 2018 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	9872915	January 23, 2018
‌ US Patent 10351573 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereof	Patent 10351573 was granted and assigned to KemPharm on July, 2019 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10351573	July 16, 2019
‌ US Patent 10584112 Methylphenidate-prodrugs, processes of making and using the same	Patent 10584112 was granted and assigned to KemPharm on March, 2020 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10584112	March 10, 2020
‌ US Patent 10358452 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereof	Patent 10358452 was granted and assigned to KemPharm on July, 2019 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10358452	July 23, 2019
‌ US Patent 10584113 Methylphenidate-prodrugs, processes of making and using the same	Patent 10584113 was granted and assigned to KemPharm on March, 2020 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10584113	March 10, 2020
‌ US Patent 10577376 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof	Patent 10577376 was granted and assigned to KemPharm on March, 2020 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10577376	March 3, 2020
‌ US Patent 10258696 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof	Patent 10258696 was granted and assigned to KemPharm on April, 2019 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10258696	April 16, 2019
‌ US Patent 9850252 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxycodone, prodrugs, methods of making and use thereof	Patent 9850252 was granted and assigned to KemPharm on December, 2017 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	9850252	December 26, 2017
‌ US Patent 11021459 Compositions comprising methylphenidate-prodrugs, processes of making and using the same	Patent 11021459 was granted and assigned to KemPharm on June, 2021 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	11021459	June 1, 2021
‌ US Patent 9682076 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereof	Patent 9682076 was granted and assigned to KemPharm on June, 2017 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	9682076	June 20, 2017
‌ US Patent 9849185 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof	Patent 9849185 was granted and assigned to KemPharm on December, 2017 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	9849185	December 26, 2017
‌ US Patent 10064956 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof	Patent 10064956 was granted and assigned to KemPharm on September, 2018 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10064956	September 4, 2018
‌ US Patent 10441661 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof	Patent 10441661 was granted and assigned to KemPharm on October, 2019 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10441661	October 15, 2019
‌ US Patent 10954213 Compositions comprising methylphenidate-prodrugs, processes of making and using the same	Patent 10954213 was granted and assigned to KemPharm on March, 2021 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10954213	March 23, 2021
‌ US Patent 9597403 Amino acid conjugates of quetiapine, process for making and using the same	Patent 9597403 was granted and assigned to KemPharm on March, 2017 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	9597403	March 21, 2017
‌ US Patent 10954212 Compositions comprising methylphenidate-prodrugs, processes of making and using the same	Patent 10954212 was granted and assigned to KemPharm on March, 2021 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10954212	March 23, 2021
‌ US Patent 10231960 Methylphenidate-prodrugs, processes of making and using the same	Patent 10231960 was granted and assigned to KemPharm on March, 2019 by the United States Patent and Trademark Office.	KemPharm	KemPharm	United States Patent and Trademark Office	10231960	March 19, 2019
‌ US Patent 10759778 Methylphenidate-prodrugs, processes of making and using the same		KemPharm	KemPharm	United States Patent and Trademark Office	10759778	September 1, 2020

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