Engineered Fc Constructs Patent Application - Momenta Pharmaceuticals
Summary
The European Patent Office published patent application EP3464376A1 for Momenta Pharmaceuticals, Inc. on March 25, 2026. The application covers compositions and methods related to engineered Fc constructs with applications in immunology and therapeutic development. The publication designates 38 European member states.
What changed
The EPO published patent application EP3464376A1 filed by Momenta Pharmaceuticals, Inc. for engineered Fc constructs. The application claims priority to immunology-related compositions and methods (IPC classifications C07K 16/00, C12N 9/00, A61K 39/395). The designated states cover major European markets including DE, FR, GB, IT, ES, NL, BE, CH, SE, and 30 others.
This is a patent publication notice with no immediate compliance obligations. Pharmaceutical and biotechnology companies developing Fc-engineered therapeutics should review the claims for potential freedom-to-operate concerns. Patent prosecution will continue through standard EPO procedures; the publication does not grant patent rights but establishes prior art as of the filing date.
What to do next
- Review patent claims for freedom-to-operate analysis if developing Fc construct therapeutics
- Monitor EPO prosecution of EP3464376A1 for claim scope and grant status
Source document (simplified)
COMPOSITIONS AND METHODS RELATED TO ENGINEERED FC CONSTRUCTS
Publication EP3464376A1 Kind: A1 Mar 25, 2026
Applicants
Momenta Pharmaceuticals, Inc.
Inventors
LANSING, Jonathan C., BOSQUES, Carlos J., ORTIZ, Daniel
IPC Classifications
C07K 16/00 20060101AFI20260213BHEP C07K 16/46 20060101ALI20260213BHEP C12N 9/00 20060101ALI20260213BHEP C12N 9/96 20060101ALI20260213BHEP G01N 33/53 20060101ALI20260213BHEP A61P 37/04 20060101ALI20260213BHEP A61P 29/00 20060101ALI20260213BHEP A61P 37/00 20060101ALI20260213BHEP A61P 37/02 20060101ALI20260213BHEP A61P 37/06 20060101ALI20260213BHEP A61P 43/00 20060101ALI20260213BHEP A61K 39/395 20060101ALI20260213BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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