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FDA Purple Book · Reference family

cemiplimab-rwlc (Libtayo)

cemiplimab-rwlc is an FDA-licensed reference biologic from Regeneron Pharmaceuticals, Inc.. Reference exclusivity, biosimilar lineage, and published patents from official FDA Purple Book records.

0

Biosimilars

0

Interchangeables

0

Listed patents

2018

Reference approved

Reference product

351(a)BLA 761097

Libtayo cemiplimab-rwlc

Regeneron Pharmaceuticals, Inc.

Approved
Sep 28, 2018
Marketing
Rx
Center
CDER
Patents
None listed

Exclusivity & patent cliffs

Approval, exclusivity, and published-patent expiration dates for cemiplimab-rwlc, in chronological order.

  1. Reference approval

    Approval date of the reference cemiplimab-rwlc product.

    7 yr 9 mo ago

Frequently asked questions

Are there biosimilars approved for cemiplimab-rwlc (Libtayo)?

No 351(k) biosimilars or interchangeable biosimilars referencing cemiplimab-rwlc are listed in the FDA Purple Book yet.

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