Friday, July 10, 2026

Patent intelligence · US

US 12071438

Crystal forms of an ALK2 inhibitor

granted A61PA61P19/02A61P19/08A61P35/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 12
Patent details — US 12071438
Jurisdiction
US
Status
granted
Grant date
Aug 27, 2024
Expiration
Aug 22, 2044
Claims
17
CPC classes
A61P, A61P19/02, A61P19/08, A61P35/00
View on Google Patents ↗

Quick answer

US 12071438 (Crystal forms of an ALK2 inhibitor) is held by Keros Therapeutics, Inc.. Status: granted. Granted Aug 27, 2024. Expires Aug 22, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
17
CPC classes
A61P, A61P19/02, A61P19/08, A61P35/00, A61P35/04, A61P37/00

More from Keros Therapeutics, Inc.

Related pharmaceutical patents in our USPTO index.

  1. US 12404313

    GDNF fusion polypeptides and methods of use thereof

    Keros Therapeutics, Inc. · Expires Aug 28, 2045

    granted
  2. US 12364737

    Activin receptor type IIA variants and methods of use thereof

    Keros Therapeutics, Inc. · Expires Jul 17, 2045

    granted
  3. US 12350313

    Activin receptor type IIa variants and methods of use thereof

    Keros Therapeutics, Inc. · Expires Jul 3, 2045

    granted
  4. US 12331124

    ALK2 antibodies and methods of use thereof

    Keros Therapeutics, Inc. · Expires Jun 12, 2045

    granted
  5. US 12269858

    Activin receptor type IIB variants and methods of use thereof

    Keros Therapeutics, Inc. · Expires Apr 3, 2045

    granted
  6. US 11912750

    GDNF fusion polypeptides and methods of use thereof

    Keros Therapeutics, Inc. · Expires Feb 22, 2044

    granted
  7. US 11884715

    Activin receptor type IIB variants and methods of use thereof

    Keros Therapeutics, Inc. · Expires Jan 25, 2044

    granted

Frequently asked questions

What is US patent 12071438?

US 12071438 (Crystal forms of an ALK2 inhibitor) is held by Keros Therapeutics, Inc.. Status: granted. Granted Aug 27, 2024. Expires Aug 22, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12071438?

Keros Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 12 pharmaceutical patents for this assignee.

When does US 12071438 expire?

Our index shows an expiration date of Aug 22, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.