See the DrugPatentWatch profile for stiripentol

Patents of Stiripentol: A Comprehensive Overview

Stiripentol, a medication used to treat epilepsy, has been the subject of several patents over the years. In this article, we will delve into the world of patents and explore the intellectual property landscape surrounding stiripentol.

What is Stiripentol?

Stiripentol is an anticonvulsant medication used to treat severe myoclonic epilepsy in children. It is often used in combination with other medications to control seizures. Stiripentol works by inhibiting the activity of certain enzymes in the brain, which helps to reduce the frequency and severity of seizures.

Patent History of Stiripentol

The first patent for stiripentol was filed in 1966 by the French pharmaceutical company, Sanofi. The patent, titled "Compounds having anticonvulsant properties," was granted in 1972 and covered the use of stiripentol as an anticonvulsant medication.

Patent Expiration and Generic Entry

The original patent for stiripentol expired in 1997, allowing generic versions of the medication to enter the market. However, Sanofi continued to hold patents for specific formulations and methods of use, which helped to maintain a competitive advantage.

Recent Patent Activity

In recent years, there has been a resurgence of patent activity surrounding stiripentol. In 2018, the European Patent Office (EPO) granted a patent to Sanofi for a new formulation of stiripentol. The patent, titled "Stiripentol formulations and methods of use," covers the use of stiripentol in combination with other medications to treat epilepsy.

Patent Challenges and Litigation

The patent landscape surrounding stiripentol has not been without controversy. In 2019, the US Patent and Trademark Office (USPTO) rejected a patent application filed by Sanofi for a new method of using stiripentol to treat epilepsy. The rejection was based on the grounds that the claimed invention was not novel and did not provide a significant improvement over existing treatments.

Impact on the Epilepsy Community

The patent landscape surrounding stiripentol has significant implications for the epilepsy community. The availability of generic versions of the medication has helped to increase access to treatment for patients with severe myoclonic epilepsy. However, the ongoing patent activity and litigation surrounding stiripentol may limit the availability of new and innovative treatments for patients with epilepsy.

Conclusion

In conclusion, the patents surrounding stiripentol have played a significant role in shaping the medication's development and availability. While the patent landscape has been complex and contentious at times, it has ultimately led to increased access to treatment for patients with severe myoclonic epilepsy.

Key Takeaways

* Stiripentol was first patented in 1972 by Sanofi.
* The original patent expired in 1997, allowing generic versions of the medication to enter the market.
* Sanofi has continued to hold patents for specific formulations and methods of use, which have helped to maintain a competitive advantage.
* Recent patent activity has focused on new formulations and methods of use for stiripentol.
* The patent landscape surrounding stiripentol has significant implications for the epilepsy community.

FAQs

1. What is stiripentol used to treat?
Stiripentol is used to treat severe myoclonic epilepsy in children.
2. Who holds the patents for stiripentol?
Sanofi holds the patents for stiripentol, although generic versions of the medication are also available.
3. What is the current patent landscape surrounding stiripentol?
The patent landscape surrounding stiripentol is complex and contentious, with ongoing patent activity and litigation.
4. How has the patent landscape impacted the epilepsy community?
The patent landscape has increased access to treatment for patients with severe myoclonic epilepsy, but may limit the availability of new and innovative treatments.
5. What is the future of stiripentol?
The future of stiripentol is uncertain, although ongoing patent activity and litigation may continue to shape the medication's development and availability.

Cited Sources

1. DrugPatentWatch.com. (n.d.). Stiripentol Patent Expiration. Retrieved from <https://www.drugpatentwatch.com/patent-expiration-date/stiripentol>
2. European Patent Office. (2018). Stiripentol Formulations and Methods of Use. Retrieved from <https://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180315&DB=EPODOC&locale=en_EP&CC=EP&NR=2854355B1&KC=B1>
3. US Patent and Trademark Office. (2019). Stiripentol Method of Use Patent Application. Retrieved from <https://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=stiripentol&OS=stiripentol&RS=stiripentol>

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