Lymphatic System Drug Delivery Patent EP3801464A1
Summary
The European Patent Office published patent application EP3801464A1 titled 'Drug Delivery Methods Targeting the Lymphatic System' on April 15, 2026. The patent applicant is Vivasor, Inc., with inventor Russell Frederick ROS, and covers IPC classifications A61K 9/00, A61M 37/00, A61P 35/00, and A61P 35/04. The designated states include all EPC contracting 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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GovPing monitors EPO Patent Bulletin - Medical Devices (A61M) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 32 changes logged to date.
What changed
The European Patent Office published patent application EP3801464A1, a drug delivery method targeting the lymphatic system filed by Vivasor, Inc. The invention is classified under A61K 9/00 (medicinal preparations), A61M 37/00 (implantable drug delivery systems), A61P 35/00 (antineoplastic agents), and A61P 35/04 (antineoplastic agents for metastasis treatment), indicating therapeutic applications for cancer treatment via lymphatic targeting.
Competitors in the drug delivery or oncology space should review this publication to assess potential freedom-to-operate implications, particularly for lymphatic-targeted therapeutic platforms. While patent publications do not create immediate compliance obligations, they signal active IP activity in the lymphatic drug delivery space that may inform R&D and partnering strategies.
Archived snapshot
Apr 23, 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.
DRUG DELIVERY METHODS TARGETING THE LYMPHATIC SYSTEM
Publication EP3801464A1 Kind: A1 Apr 15, 2026
Applicants
Vivasor, Inc.
Inventors
ROSS, Russell Frederick
IPC Classifications
A61K 9/00 20060101AFI20220204BHEP A61M 37/00 20060101ALI20220204BHEP A61P 35/00 20060101ALI20220204BHEP A61P 35/04 20060101ALI20220204BHEP
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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