Wednesday, July 8, 2026

Patent intelligence · US

US 11478428

Combinations of beta-lactam compounds and probenecid and uses thereof

granted A61KA61K31/195A61K31/397A61K31/431
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 3
Patent details — US 11478428
Jurisdiction
US
Status
granted
Grant date
Oct 25, 2022
Expiration
Oct 20, 2042
Claims
10
CPC classes
A61K, A61K31/195, A61K31/397, A61K31/431
View on Google Patents ↗

Quick answer

US 11478428 (Combinations of beta-lactam compounds and probenecid and uses thereof) is held by Iterum Therapeutics International Limited. Status: granted. Granted Oct 25, 2022. Expires Oct 20, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
10
CPC classes
A61K, A61K31/195, A61K31/397, A61K31/431, A61K9/2013, A61K9/2018

More from Iterum Therapeutics International Limited

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    Combinations of beta-lactam compounds, probenecid, and valproic acid and uses thereof

    Iterum Therapeutics International Limited · Expires Oct 24, 2044

    granted
  2. US 12109197

    Combinations of β-lactam compounds and probenecid and uses thereof

    Iterum Therapeutics International Limited · Expires Oct 3, 2044

    granted

Frequently asked questions

What is US patent 11478428?

US 11478428 (Combinations of beta-lactam compounds and probenecid and uses thereof) is held by Iterum Therapeutics International Limited. Status: granted. Granted Oct 25, 2022. Expires Oct 20, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11478428?

Iterum Therapeutics International Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 3 pharmaceutical patents for this assignee.

When does US 11478428 expire?

Our index shows an expiration date of Oct 20, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.