Top 100 patent holders, U.S. and non-U.S. entities (excluding subsidiaries)
| Rank |
U.S. and non-U.S. entities (excluding subsidiaries) |
Utility patents held |
| | Number |
| 1 |
PIONEER HI-BRED INTERNATIONAL, INC. |
449 |
| 2 |
U.S. DEPARTMENT OF AGRICULTURE |
315 |
| 3 |
MONSANTO CO., INC. |
294 |
| 4 |
UNIVERSITY OF CALIFORNIA |
221 |
| 5 |
MYCOGEN PLANT SCIENCE, INC. |
194 |
| 6 |
BAYER AG |
154 |
| 7 |
NOVARTIS AG |
142 |
| 8 |
HOECHST JAPAN LTD. |
134 |
| 9 |
AJINOMOTO CO. INC. |
127 |
| 10 |
AMERICAN CYANAMID CO. |
124 |
| 11 |
DEKALB GENETICS CORP. |
112 |
| 12 |
ELI LILLY AND CO. |
110 |
| 13 |
DU PONT, E.I. DE NEMOURS AND CO. |
109 |
| 14 |
CORNELL UNIVERSITY |
102 |
| 15 |
MICHIGAN STATE UNIVERSITY |
94 |
| 16 |
WISCONSIN ALUMNI RESEARCH FOUNDATION |
92 |
| 17 |
ASGROW SEED CO. |
91 |
| 18 |
CALGENE L.L.C. |
91 |
| 19 |
NOVO-NORDISK A/S |
90 |
| 20 |
BASF AG |
89 |
| 21 |
ZENECA LTD. |
89 |
| 22 |
CIBA-GEIGY AG |
85 |
| 23 |
KYOWA HAKKO KOGYO CO., LTD |
84 |
| 24 |
AKZO NOBEL BV |
82 |
| 25 |
IOWA STATE UNIVERSITY |
78 |
| 26 |
NEW ENGLAND BIOLABS, INC. |
75 |
| 27 |
Individual inventor(s) |
68 |
| 28 |
NESTEC, S.A. |
64 |
| 29 |
HOLDEN'S FOUNDATION FEEDS, INC. |
63 |
| 30 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
62 |
| 31 |
PLANT GENETIC SYSTEMS |
62 |
| 32 |
UNIVERSITY OF FLORIDA |
57 |
| 33 |
UNIVERSITY OF MINNESOTA |
57 |
| 34 |
NORTH CAROLINA STATE UNIVERSITY |
56 |
| 35 |
MASSACHUSETTS INST. OF TECHNOLOGY |
55 |
| 36 |
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE (INRA) |
53 |
| 37 |
LIFE TECHNOLOGIES, INC. |
53 |
| 38 |
BECTON, DICKINSON AND CO. |
52 |
| 39 |
HARVARD COLLEGE |
52 |
| 40 |
GENENCOR INTERNATIONAL |
51 |
| 41 |
DNA PLANT TECHNOLOGY |
50 |
| 42 |
GIST-BROCADES N.V. |
50 |
| 43 |
SANDOZ LTD. |
50 |
| 44 |
INSTITUT PASTEUR |
49 |
| 45 |
PURDUE RESEARCH FOUNDATION |
49 |
| 46 |
UNIVERSITY OF GEORGIA RESEARCH FOUNDATION |
49 |
| 47 |
HOFFMANN-LA ROCHE INC. |
48 |
| 48 |
CETUS CORP. |
47 |
| 49 |
RHONE-POULENC S.A. |
47 |
| 50 |
BOEHRINGER MANNHEIM GMBH |
46 |
| 51 |
U.S. HEALTH AND HUMAN SERVICES |
46 |
| 52 |
SALK INST. FOR BIOLOGICAL STUDIES |
45 |
| 53 |
ABBOT LABORATORIES |
43 |
| 54 |
GENENTECH, INC. |
43 |
| 55 |
CPC INTERNATIONAL INC. |
41 |
| 56 |
GENERAL HOSPITAL CORP. |
40 |
| 57 |
RUTGERS UNIVERSITY |
40 |
| 58 |
MICROLIFE TECHNICS, INC. |
39 |
| 59 |
LOUISIANA STATE UNIVERSITY |
38 |
| 60 |
STINE SEED FARM, INC. |
38 |
| 61 |
UNIVERSITY OF TEXAS |
38 |
| 62 |
AMOCO CORP. |
37 |
| 63 |
STANFORD UNIVERSITY |
36 |
| 64 |
W. R. GRACE AND CO. |
36 |
| 65 |
PERKIN-ELMER CORP. |
35 |
| 66 |
MERCK & CO., INC. |
34 |
| 67 |
TAKARA SHUZO CO., LTD. |
34 |
| 68 |
BAYLOR COLLEGE OF MEDICINE |
33 |
| 69 |
GEN-PROBE INC. |
32 |
| 70 |
SUNY RESEARCH FOUNDATION |
32 |
| 71 |
UNIVERSITY OF SASKATCHEWAN |
32 |
| 72 |
JAPAN MINISTRY OF AGRICULTURE, FORESTRY AND FISHERIES |
31 |
| 73 |
PHILLIPS PETROLEUM CO. |
31 |
| 74 |
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORG. (CSIRO) |
30 |
| 75 |
TEXAS A&M UNIVERSITY |
30 |
| 76 |
UNILEVER PATENT HOLDINGS B.V. |
30 |
| 77 |
UNIVERSITY OF MARYLAND |
30 |
| 78 |
HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO K. K. |
29 |
| 79 |
LUBRIZOL GENETICS, INC. |
29 |
| 80 |
WASHINGTON STATE UNIVERSITY |
29 |
| 81 |
STRATAGENE |
28 |
| 82 |
JOHNS HOPKINS UNIVERSITY |
27 |
| 83 |
RESEARCH CORPORATION TECHNIQUES, INC. |
27 |
| 84 |
SUMITOMO CHEMICAL CO., LTD. |
27 |
| 85 |
UPJOHN CO. |
27 |
| 86 |
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE |
26 |
| 87 |
COLUMBIA UNIVERSITY |
26 |
| 88 |
ECOGEN INC. |
26 |
| 89 |
HITACHI CHEMICAL CO., LTD. |
26 |
| 90 |
CALIFORNIA INST. OF TECHNOLOGY |
25 |
| 91 |
INSTITUT MERIEUX |
25 |
| 92 |
JAPAN TOBACCO INC. |
25 |
| 93 |
UNIVERSITY OF PENNSYLVANIA |
25 |
| 94 |
CHIRON CORP. |
24 |
| 95 |
KIRIN BREWERY CO., LTD. |
24 |
| 96 |
MAX-PLANCK INSTITUT |
24 |
| 97 |
MOGEN INTERNATIONAL N.V. |
24 |
| 98 |
OREGON STATE UNIVERSITY |
24 |
| 99 |
SCHERING AG |
24 |
| 100 |
SCRIPPS RESEARCH INST. |
24 |
| Note: Patent assignees and subsequent determinations of locations are based on USPTO assignee data, which might be missing, incomplete, or indicate multiple assignees per patent. Multiple spellings or abbreviations have been consolidated to a single assignee identification. |