Wednesday, July 8, 2026

Patent intelligence · US

US 12428395

Heterocyclic compounds as kinase inhibitor and uses thereof

granted A61PA61P35/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 19
Applicant portfolio 16
Patent details — US 12428395

Quick answer

US 12428395 (Heterocyclic compounds as kinase inhibitor and uses thereof) is held by SPEROGENIX THERAPEUTICS LIMITED. Status: granted. Granted Sep 30, 2025. Expires Sep 25, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61P, A61P35/00

More from SPEROGENIX THERAPEUTICS LIMITED

Related pharmaceutical patents in our USPTO index.

  1. US 12291548

    Compounds, compositions, and methods for the treatment of disease

    Sperovie Biosciences, Inc. · Expires May 1, 2045

    granted
  2. US 12226403

    Tebipenem pivoxil immediate and modified release oral dosage forms

    SPERO THERAPEUTICS, INC. · Expires Feb 13, 2045

    granted
  3. US 12146004

    Polymyxin compounds and uses thereof

    SPERO THERAPEUTICS, INC. · Expires Nov 14, 2044

    granted
  4. US 12098155

    Tebipenem pivoxil crystalline forms, compositions including the same, methods of manufacture, and methods of use

    SPERO THERAPEUTICS, INC. · Expires Sep 19, 2044

    granted
  5. US 12048691

    High dosage tebipenem pivoxil tablet formulation

    SPERO THERAPEUTICS, INC. · Expires Jul 25, 2044

    granted
  6. US 11718621

    Tebipenem pivoxil crystalline forms, compositions including the same, methods of manufacture, and methods of use

    SPERO THERAPEUTICS, INC. · Expires Aug 3, 2043

    granted
  7. US 11459357

    Polymyxin compounds

    SPERO THERAPEUTICS, INC. · Expires Sep 29, 2042

    granted

Frequently asked questions

What is US patent 12428395?

US 12428395 (Heterocyclic compounds as kinase inhibitor and uses thereof) is held by SPEROGENIX THERAPEUTICS LIMITED. Status: granted. Granted Sep 30, 2025. Expires Sep 25, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12428395?

SPEROGENIX THERAPEUTICS LIMITED is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 16 pharmaceutical patents for this assignee.

When does US 12428395 expire?

Our index shows an expiration date of Sep 25, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.