Antibody Variants Transmigrating the Blood-Brain Barrier
EPO Patent Bulletin - Pharma (A61K)
Summary
The European Patent Office published EP3551666A1 on April 15, 2026, covering antibody variants engineered to transmigrate the blood-brain barrier. Applicants are National Research Council of Canada and Cephalon, Inc. The invention is classified under A61K 39/00, C07K 16/28, C07K 16/46, G01N 33/53, and G01N 33/543, with designations extending across 34 European member states including 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, and TR.
“ANTIBODY VARIANTS TRANSMIGRATING THE BLOOD-BRAIN BARRIER AND USES THEREOF”
About this source
GovPing monitors EPO Patent Bulletin - Pharma (A61K) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 72 changes logged to date.
What changed
The European Patent Office issued EP3551666A1, a patent grant for antibody variants designed to cross the blood-brain barrier. The invention covers compositions and methods for using these variants in therapeutic applications, with seven named inventors including Stanimirovic, Sulea, Kemmerich, Wilson, Stratton, Pollard, and Clarke.
Pharmaceutical and biotechnology companies engaged in neurological disease research, CNS drug delivery, or antibody therapeutics should review this patent to assess potential freedom-to-operate implications or licensing opportunities. The broad designations across 34 European states mean the IP rights have significant geographic reach.
Archived snapshot
Apr 25, 2026GovPing 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.
ANTIBODY VARIANTS TRANSMIGRATING THE BLOOD-BRAIN BARRIER AND USES THEREOF
Publication EP3551666A1 Kind: A1 Apr 15, 2026
Applicants
National Research Council of Canada, Cephalon, Inc.
Inventors
STANIMIROVIC, Danica, SULEA, Traian, KEMMERICH, Kristin, WILSON, David, STRATTON, Jennifer, POLLARD, Matthew, CLARKE, Adam
IPC Classifications
A61K 39/00 20060101AFI20200622BHEP C07K 16/28 20060101ALI20200622BHEP C07K 16/46 20060101ALI20200622BHEP G01N 33/53 20060101ALI20200622BHEP G01N 33/543 20060101ALI20200622BHEP
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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