Wednesday, July 8, 2026

Patent intelligence · US

US 6878736

Histamine H3 receptor ligands

expired A61PA61P1/04A61P25/00A61P25/20
Status expired
Linked drugs 2
Pipeline programs 6
Years to expiry 0
Applicant portfolio 38
Patent details — US 6878736
Jurisdiction
US
Status
expired
Grant date
Apr 12, 2005
Expiration
Apr 7, 2025
Claims
11
CPC classes
A61P, A61P1/04, A61P25/00, A61P25/20
View on Google Patents ↗

Quick answer

US 6878736 (Histamine H3 receptor ligands) is held by The James Black Foundation Limited. Status: expired. Granted Apr 12, 2005. Expires Apr 7, 2025 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
11
CPC classes
A61P, A61P1/04, A61P25/00, A61P25/20, A61P25/24, A61P43/00

More from The James Black Foundation Limited

Related pharmaceutical patents in our USPTO index.

  1. US 12343394

    CD38 modulating antibody agents

    BLACK BELT THERAPEUTICS LIMITED · Expires Jun 26, 2045

    granted
  2. US 12325699

    Antibacterial compounds

    BLACKSMITH MEDICINES, INC. · Expires Jun 5, 2045

    granted
  3. US 12304964

    CD38 modulating antibody

    BLACK BELT THERAPEUTICS LIMITED · Expires May 15, 2045

    granted
  4. US 12187754

    LpxC inhibitors and uses thereof

    BLACKSMITH MEDICINES, INC. · Expires Jan 2, 2045

    granted
  5. US 12161717

    CD38 modulating antibody agents

    BLACK BELT THERAPEUTICS LIMITED · Expires Dec 5, 2044

    granted
  6. US 12162949

    CD38 antibody

    BLACK BELT THERAPEUTICS LIMITED · Expires Dec 5, 2044

    granted
  7. US 11897873

    Kappa opioid receptor antagonists and products and methods related thereto

    BLACKTHORN THERAPEUTICS, INC. · Expires Feb 8, 2044

    granted
  8. US 11780930

    CD38 modulating antibody

    BLACK BELT THERAPEUTICS LIMITED · Expires Oct 5, 2043

    granted

Frequently asked questions

What is US patent 6878736?

US 6878736 (Histamine H3 receptor ligands) is held by The James Black Foundation Limited. Status: expired. Granted Apr 12, 2005. Expires Apr 7, 2025 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6878736?

The James Black Foundation Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 38 pharmaceutical patents for this assignee.

When does US 6878736 expire?

Our index shows an expiration date of Apr 7, 2025 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.