Changeflow GovPing Healthcare & Life Sciences Process for Preparation of Apalutamide, Synthon...
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Process for Preparation of Apalutamide, Synthon B.V., Apr 21

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Summary

The USPTO granted patent US12606539B2 to Synthon B.V. (a Dutch biopharmaceutical company) for a process to synthesize Apalutamide, along with its solid forms, salts, and solvates, and intermediates used therein. The patent application (18043777) was filed September 3, 2021, and carries 14 claims under CPC classifications C07D 401/04 and C07C 229/48. This grant gives Synthon B.V. exclusionary rights over this synthetic route for the prostate cancer drug.

Published by USPTO on changeflow.com . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .

What changed

The USPTO granted patent US12606539B2 to Synthon B.V. on April 21, 2026, covering a process for preparing Apalutamide (compound 1), its salts and solvates, and solid forms thereof, as well as solid forms of intermediates used in the preparation process. The patent application was filed September 3, 2021 (Application No. 18043777) and contains 14 claims classified under C07D 401/04 and C07C 229/48.\n\nPharmaceutical companies engaged in API or intermediate manufacturing should review freedom-to-operate positions in light of this newly granted patent. Patent holders and licensees may need to assess whether this process patent creates any overlap with or obstacle to existing IP strategies or licensing arrangements.

Archived snapshot

Apr 21, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO Patent Grants

Process for preparation of apalutamide

Grant US12606539B2 Kind: B2 Apr 21, 2026

Assignee

Synthon B.V.

Inventors

Ondrej Hylse, David Chalupa, Bohumil Dymacek, Marian Buchlovic

Abstract

The presented invention relates to a process for preparation of Apalutamide, compound (1) or a salt or a solvate thereof: The presented invention further relates to solid forms of Apalutamide, solvates of Apalutamide and to processes for preparation thereof. The presented invention also relates to solid forms of intermediates used in the process for preparing Compound (1).

CPC Classifications

C07D 401/04 C07C 229/48

Filing Date

2021-09-03

Application No.

18043777

Claims

14

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Last updated

Classification

Agency
USPTO
Published
April 21st, 2026
Instrument
Rule
Branch
Executive
Legal weight
Binding
Stage
Final
Change scope
Minor

Who this affects

Industry sector
3254 Pharmaceutical Manufacturing
Activity scope
Patent grant Pharmaceutical manufacturing
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Pharmaceuticals Healthcare

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