Patent intelligence · US
US 6254867
Human monoclonal antibodies to the hepatitis B surface antigen
Human monoclonal antibodies to the hepatitis B surface antigen
Patent details — US 6254867
- Jurisdiction
- US
- Status
- expired
- Grant date
- Jul 3, 2001
- Expiration
- Jun 28, 2021
- Applicant
- XTL BIOPHARMACEUTICALS LTD.
- Claims
- 12
- CPC classes
- A61K, A61K38/00, A61K39/00, A61K40/10
Quick answer
US 6254867 (Human monoclonal antibodies to the hepatitis B surface antigen) is held by XTL BIOPHARMACEUTICALS LTD.. Status: expired. Granted Jul 3, 2001. Expires Jun 28, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- XTL BIOPHARMACEUTICALS LTD.
- Grant date
- Expiration
- Claims
- 12
- CPC classes
- A61K, A61K38/00, A61K39/00, A61K40/10, A61K40/46
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Frequently asked questions
What is US patent 6254867?
US 6254867 (Human monoclonal antibodies to the hepatitis B surface antigen) is held by XTL BIOPHARMACEUTICALS LTD.. Status: expired. Granted Jul 3, 2001. Expires Jun 28, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6254867?
XTL BIOPHARMACEUTICALS LTD. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 7 pharmaceutical patents for this assignee.
When does US 6254867 expire?
Our index shows an expiration date of Jun 28, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.