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

297	582	639	692	730	704	718	760	713	26
2017	2018	2019	2020	2021	2022	2023	2024	2025	2026

Owner	All patents	This class
The Regents of the University of California	20315	163
Northwestern University	3464	98
Axsome Therapeutics, Inc.	284	97
Massachusetts Institute of Technology	10167	86
Mayo Foundation for Medical Education and Research	3306	76
The Johns Hopkins University	5764	68
The Brigham and Women's Hospital, Inc.	2232	54
President and Fellows of Harvard College	6044	51
Centre National de La Recherche Scientifique	10726	49
The Trustees of the University of Pennsylvania	4382	46
The Board of Trustees of the Leland Stanford Junior University	6552	42
L.e.a.f. Holdings Group LLC	116	42
Case Western Reserve University	1856	41
Cornell University	3369	40
Wisconsin Alumni Research Foundation	3901	39
The United States of America, as represented by the Secretary, Department of Health and Human Services	2918	39
The Regents of the University of Michigan	4812	38
Selecta Biosciences, Inc.	186	38
Yale University	2453	37
Board of Regents, The University of Texas System	5959	36
Other owners		5535