Drug Patents owned by Purdue Pharma

1. List of Intermezzo drug patents

Patent Number Company Patent Title Patent Expiry Activity Alert
These patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US7682628 PURDUE PHARMA Compositions for delivering hypnotic agents across the oral mucosa and methods of use thereof
Feb, 2025

(2 years from now)

US8252809 PURDUE PHARMA Compositions for treating insomnia
Feb, 2025

(2 years from now)

US7658945 PURDUE PHARMA Compositions for delivering hypnotic agents across the oral mucosa and methods of use thereof
Apr, 2027

(4 years from now)

US8242131 PURDUE PHARMA Methods of treating middle-of-the-night insomnia
Aug, 2029

(6 years from now)

Drugs and Companies using ZOLPIDEM TARTRATE ingredient

Market Authorisation Date: 23 November, 2011

Treatment: Method for treating insomnia; Method of treating middle-of-the-night insomnia

Dosage: TABLET;SUBLINGUAL

How can I launch a generic of INTERMEZZO before it's patent expiration?
More Information on Dosage

INTERMEZZO family patents

31

United States

8

Korea, Republic of

3

Canada

3

Japan

2

Brazil

2

South Africa

2

Australia

2

New Zealand

2

Mexico

2

China

2

European Union

1

Hong Kong

1

Israel

2. List of Ryzolt drug patents

Patent Number Company Patent Title Patent Expiry Activity Alert
These patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US7988998 PURDUE PHARMA Sustained-release tramadol formulations with 24-hour efficacy
Oct, 2023

(8 months from now)

Drugs and Companies using TRAMADOL HYDROCHLORIDE ingredient

Market Authorisation Date: 30 December, 2008

Treatment: NA

Dosage: TABLET, EXTENDED RELEASE;ORAL

How can I launch a generic of RYZOLT before it's patent expiration?
More Information on Dosage

RYZOLT family patents

8

United States

5

Canada

3

Brazil

3

Japan

2

Austria

2

Hong Kong

2

Korea, Republic of

2

Australia

2

Ukraine

2

Spain

2

Germany

2

Israel

2

Mexico

2

Slovenia

2

Argentina

2

South Africa

2

Portugal

2

Russia

2

China

2

Norway

2

New Zealand

2

Taiwan, Province of China

2

Denmark

2

Ecuador

2

European Union

1

Malaysia

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