IPC Classification

All sections
A - Human necessities
A61K - Preparations for medical, dental or toiletry purposes
A61K 47/69 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit

Patent holdings for IPC class A61K 47/69

136	297	582	639	691	729	703	717	760	613
2016	2017	2018	2019	2020	2021	2022	2023	2024	2025

Owner	All patents	This class
The Regents of the University of California	20211	157
Northwestern University	3440	96
Axsome Therapeutics, Inc.	276	95
Massachusetts Institute of Technology	10131	88
Mayo Foundation for Medical Education and Research	3280	74
The Johns Hopkins University	5737	68
The Brigham and Women's Hospital, Inc.	2219	56
President and Fellows of Harvard College	6017	51
Centre National de La Recherche Scientifique	10641	48
The Trustees of the University of Pennsylvania	4377	45
Case Western Reserve University	1845	43
L.e.a.f. Holdings Group LLC	116	42
The Board of Trustees of the Leland Stanford Junior University	6507	40
Selecta Biosciences, Inc.	190	40
Wisconsin Alumni Research Foundation	3890	39
Cornell University	3344	39
The United States of America, as represented by the Secretary, Department of Health and Human Services	2895	39
Yale University	2427	37
Board of Regents, The University of Texas System	5912	35
The Regents of the University of Michigan	4760	34
Other owners		5429