Patent intelligence · US
US 6013807
Antitumor tetracyclic compounds
Antitumor tetracyclic compounds
Patent details — US 6013807
- Jurisdiction
- US
- Status
- expired
- Grant date
- Jan 11, 2000
- Expiration
- Jan 6, 2020
- Claims
- 2
- CPC classes
- A61P, A61P35/00
Quick answer
US 6013807 (Antitumor tetracyclic compounds) is held by University College Cardiff Consultants Limited. Status: expired. Granted Jan 11, 2000. Expires Jan 6, 2020 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Grant date
- Expiration
- Claims
- 2
- CPC classes
- A61P, A61P35/00
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Frequently asked questions
What is US patent 6013807?
US 6013807 (Antitumor tetracyclic compounds) is held by University College Cardiff Consultants Limited. Status: expired. Granted Jan 11, 2000. Expires Jan 6, 2020 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6013807?
University College Cardiff Consultants Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 69 pharmaceutical patents for this assignee.
When does US 6013807 expire?
Our index shows an expiration date of Jan 6, 2020 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.