Patent Term Extension Application for WAYRILZ (rilzabrutinib), Patent No. 8,940,744 | Federal Regulations · Congress.wiki

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FDA-2025-E-6101

Patent Term Extension Application for WAYRILZ (rilzabrutinib), Patent No. 8,940,744

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OPEN

Comment Period OpensNov 17, 2025

Type	Title	Posted	Comments	Status
Other	Letter from U.S Patent and Trademark Office to FDA CDER	Mar 25, 2026	--

CDER

Patent Term Extension Application

Fish & Richardson P.C.

Principia Biopharma Inc

WAYRILZ (rilzabrutinib)

Patent No. 8,940,744

OPEN