Patent intelligence · US
US 6531509
Stable gabapentin containing more than 20 ppm of chlorine ion
Stable gabapentin containing more than 20 ppm of chlorine ion
Patent details — US 6531509
- Jurisdiction
- US
- Status
- expired
- Grant date
- Mar 11, 2003
- Expiration
- Mar 6, 2023
- Applicant
- TEVA PHARMACEUTICAL INDUSTRIES, LTD.
- Claims
- 7
- CPC classes
- A61K, A61K31/195, A61K9/2054, A61K9/2059
Quick answer
US 6531509 (Stable gabapentin containing more than 20 ppm of chlorine ion) is held by TEVA PHARMACEUTICAL INDUSTRIES, LTD.. Status: expired. Granted Mar 11, 2003. Expires Mar 6, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- TEVA PHARMACEUTICAL INDUSTRIES, LTD.
- Grant date
- Expiration
- Claims
- 7
- CPC classes
- A61K, A61K31/195, A61K9/2054, A61K9/2059
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Frequently asked questions
What is US patent 6531509?
US 6531509 (Stable gabapentin containing more than 20 ppm of chlorine ion) is held by TEVA PHARMACEUTICAL INDUSTRIES, LTD.. Status: expired. Granted Mar 11, 2003. Expires Mar 6, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6531509?
TEVA PHARMACEUTICAL INDUSTRIES, LTD. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 454 pharmaceutical patents for this assignee.
When does US 6531509 expire?
Our index shows an expiration date of Mar 6, 2023 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.