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Purple Book product · Biosimilar 351(k)

Herzuma

trastuzumab-pkrb

351(k) BiosimilarBLA 761091RxLicensed CELLTRION, Inc.

May 16, 2019

Approved

Biosimilar 351(k)

License type

Rx

Marketing

4

Listed patents

Herzuma (trastuzumab-pkrb) is a Biosimilar 351(k) referencing trastuzumab, licensed under a 351(k) BLA in 2019 and marketed by CELLTRION, Inc.. The Purple Book lists 4 published patents for this product.

Sourced from the FDA Purple Book · verified Jul 02, 2026

Key dates

  1. Approval

    Approval date of this BLA submission.

    May 16, 2019

    7 yr 3 mo ago

  2. Today

Pharmaceutical detail

Strength

150MG

Dosage form

For injection

Route

Intravenous

Presentation

Single-Dose Vial

Center

CDER

License number

1996

Product number

002

Submission type

Supplement

Supplement number

1

Change type

Not listed

Reference product family

View full family

Biosimilar of trastuzumab (Herceptin)

Patent list (4)

Patents published in the FDA Purple Book Patent List for this product, with expiration date and source link.
PatentExpiresInSource
10,808,037Jul 08, 2028in 2 yrFDA
11,078,294Jul 08, 2028in 2 yrFDA
8,574,869Jul 08, 2028in 2 yrFDA
10,662,237Aug 07, 2031in 5 yr 2 moFDA

Source provenance

Source kind · Advanced Search
Checked Jul 02, 2026
  • advanced-searchAdvanced Search · Jul 02, 2026
  • monthly-downloadMonthly download · Jul 02, 2026

Change history

  • v4Jul 02, 2026
  • v3Jul 02, 2026
  • v2Jul 02, 2026

Frequently asked questions

When do Herzuma's patents expire?

The FDA Purple Book lists 4 published patents for Herzuma, with the last listed patent expiring Aug 07, 2031. Every patent below links to its FDA source record so you can verify the expiration date.

Is Herzuma a biosimilar?

Yes. Herzuma is a Biosimilar 351(k) referencing trastuzumab, licensed under a 351(k) BLA.

Is Herzuma interchangeable?

Herzuma is a 351(k) biosimilar but does not carry an interchangeability designation in the Purple Book, so pharmacy-level substitution depends on state law.

What is Herzuma's BLA number?

Herzuma is licensed under BLA 761091, held by CELLTRION, Inc..

When was Herzuma approved by the FDA?

Herzuma was approved by the FDA on May 16, 2019.

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