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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting By Geographic Region (State and Country),
Breakout By Organization

Count of 1969 - 2007 Utility Patent Grants,
By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Organizations Receiving 5 or More Utility Patents During the Period
Originating From

CANADA

( patent origin is determined by the residence of the first-named inventor )

The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant.
First-Named Assignee 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Total
~INDIVIDUALLY OWNED PATENT 336 361 461 434 472 511 476 378 422 463 338 423 450 376 387 419 455 490 620 575 753 727 813 805 721 788 778 723 837 950 927 949 897 803 765 673 568 601 554 23479
NORTHERN TELECOM LIMITED 33 32 33 36 32 17 36 37 42 54 50 35 44 55 60 75 84 64 97 81 76 62 70 55 49 62 49 68 31 125 99 5 3 3 1 1 0 0 0 1756
NORTEL NETWORKS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 62 211 229 172 173 213 176 161 132 1529
XEROX CORPORATION 0 0 0 0 0 0 0 2 1 0 2 2 3 2 0 5 16 9 10 19 24 23 23 54 49 69 48 64 66 70 66 56 59 71 47 62 41 48 70 1081
CANADIAN PATENTS AND DEVELOPMENT LTD. 26 29 34 31 30 32 43 43 41 32 18 20 18 24 19 30 28 39 45 43 51 32 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 712
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF NATIONAL DEFENCE 0 2 4 9 6 8 3 7 11 26 16 24 12 12 20 24 18 20 13 17 19 23 22 11 16 12 10 6 6 11 8 2 8 13 14 13 4 7 11 468
NATIONAL RESEARCH COUNCIL OF CANADA 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 2 3 16 17 11 18 23 25 30 29 17 39 25 27 19 44 40 18 26 32 463
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 1 1 2 0 0 1 4 0 6 4 7 22 31 31 24 32 36 30 34 29 32 66 64 460
EXXON RESEARCH + ENGINEERING CO. 14 14 19 21 10 18 11 6 14 8 7 7 10 3 7 16 12 10 8 9 19 21 9 20 21 12 11 8 12 13 9 8 8 0 0 0 0 0 0 395
UNIVERSITY OF BRITISH COLUMBIA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 4 7 10 22 17 12 15 16 26 27 31 30 22 28 18 10 19 16 9 16 359
ALCAN INTERNATIONAL LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 10 14 13 11 21 19 37 43 19 12 11 10 10 7 6 14 9 13 13 10 5 3 2 322
TELEFONAKTIEBOLAGET LM ERICSSON 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 4 2 17 15 22 56 48 32 18 20 28 16 17 10 310
RESEARCH IN MOTION LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 6 4 8 8 16 12 14 26 81 122 303
HUSKY INJECTION MOLDING SYSTEMS LIMITED 0 0 0 0 0 0 1 2 1 1 2 5 7 1 4 4 3 3 5 6 8 6 18 10 11 9 6 10 5 18 11 25 22 14 11 7 8 14 26 284
PRATT & WHITNEY CANADA CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 27 18 25 19 30 52 60 249
MITEL CORPORATION 0 0 0 0 0 0 0 0 0 0 1 6 5 4 3 4 7 4 7 9 13 5 5 5 6 6 15 17 20 9 24 15 11 8 16 14 2 4 1 246
ATOMIC ENERGY OF CANADA LIMITED 10 9 31 7 12 7 11 14 16 7 3 7 2 4 4 4 7 3 5 2 6 5 9 11 5 2 6 4 4 4 2 0 0 1 2 0 1 1 0 228
HYDRO-QUEBEC 0 1 1 0 0 0 0 0 0 2 1 4 7 1 3 11 5 10 9 7 10 8 4 7 7 10 17 10 7 12 10 11 9 14 6 4 8 2 6 224
DUPONT CANADA INC 0 1 0 6 12 3 4 13 10 7 7 10 2 5 5 7 7 4 9 6 11 17 7 12 8 8 5 4 4 1 3 3 2 7 2 3 1 2 0 218
AMERICAN HOME PRODUCTS CORPORATION 36 32 11 8 5 8 9 12 17 14 6 10 9 9 3 0 12 1 1 0 4 1 1 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 212
QUEEN'S UNIVERSITY OF KINGSTON 0 0 0 0 0 0 1 3 2 1 0 6 6 8 4 9 5 8 4 6 3 3 4 3 3 2 4 8 7 7 18 11 13 19 6 7 6 8 9 204
ALCATEL CANADA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 13 28 36 30 13 38 35 194
SIEMENS VDO AUTOMOTIVE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 27 50 53 45 9 192
ATI TECHNOLOGIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 1 5 14 15 31 28 13 5 17 17 20 17 191
MERCK FROSST CANADA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 5 9 7 11 12 9 14 20 14 17 17 10 14 10 3 1 2 0 0 0 0 0 181
MOSAID TECHNOLOGIES INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 4 4 8 11 10 14 9 12 25 24 13 23 18 177
AYERST, MCKENNA + HARRISON LTD. 0 2 13 9 4 8 21 7 20 21 9 5 9 5 15 11 6 2 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 169
BALLARD POWER SYSTEMS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 5 7 8 4 8 6 10 11 12 25 25 23 13 7 169
SIEMENS CANADA LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 37 25 36 31 17 6 1 0 9 165
MCGILL UNIVERSITY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 5 1 3 4 7 7 15 18 18 14 24 10 13 12 3 156
NCR CORPORATION 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 7 5 5 11 9 10 7 8 3 11 6 7 4 2 3 7 4 3 4 12 3 6 12 4 155
C-I-L INC. 10 6 7 6 10 5 9 8 5 2 2 6 9 6 10 5 8 5 14 4 7 7 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 152
ATI INTERNATIONAL SRL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 5 15 31 30 33 14 11 6 151
MOLD MASTERS, LIMITED 0 0 0 0 1 0 0 0 0 0 0 1 2 0 0 0 0 1 2 7 2 1 8 1 0 1 1 0 3 4 6 9 9 6 4 10 14 25 28 146
MAC MILLAN BLOEDEL LIMITED 3 4 9 4 12 3 3 3 5 3 1 1 0 4 5 6 6 3 3 3 10 7 7 5 5 3 4 8 5 7 0 0 0 0 0 0 0 0 0 142
CANADIAN GENERAL ELECTRIC COMPANY LIMITED 11 6 7 10 5 7 3 6 12 19 8 6 9 6 6 4 7 4 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 141
POLYSAR LIMITED 0 0 0 0 0 5 9 6 5 10 8 5 9 2 7 10 13 6 7 7 7 11 8 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 140
RAYMOND LEE ORGANIZATION 0 0 0 1 6 34 30 27 22 13 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 134
INCO LIMITED 0 0 0 0 0 0 0 0 0 0 0 1 3 3 3 2 6 5 3 4 8 6 9 8 11 3 8 5 2 12 5 3 3 5 7 3 0 3 2 133
COMINCO LTD. 5 4 1 5 4 4 3 7 5 8 5 7 8 4 3 5 1 4 5 3 2 8 4 6 2 0 3 1 1 4 2 1 2 0 0 0 0 0 0 127
PMC-SIERRA LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 5 4 11 9 13 7 14 11 12 7 13 19 127
CONNAUGHT LABORATORIES LIMITED 0 0 0 0 1 0 1 0 0 0 0 0 2 1 0 1 1 0 3 1 2 2 2 1 3 2 3 2 7 9 26 30 15 2 0 0 0 1 0 118
SHERRITT GORDON MINES LIMITED 4 3 4 11 15 5 9 7 4 6 4 2 8 5 8 2 4 11 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 117
ALBERTA RESEARCH COUNCIL INC. 0 0 0 0 0 0 0 0 0 0 0 1 2 1 1 2 2 0 1 0 0 0 4 1 2 4 6 4 5 9 16 6 10 6 8 7 7 3 3 111
DOW CHEMICAL COMPANY 7 12 9 10 6 5 6 2 3 0 1 0 0 1 1 0 1 6 1 3 1 5 2 0 3 5 1 3 2 2 2 1 2 6 0 1 0 0 0 110
GOVERNORS OF THE UNIVERSITY OF ALBERTA 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 3 1 4 6 2 2 1 6 6 1 4 6 5 12 8 12 8 6 8 6 110
UNIVERSITE LAVAL 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 1 1 1 1 1 2 2 3 4 0 5 4 6 5 6 7 8 7 8 5 6 9 8 103
ALCAN RESEARCH AND DEVELOPMENT, LIMITED 1 5 8 7 5 7 7 7 13 8 3 12 11 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100
BRISTOL-MYERS SQUIBB COMPANY 3 1 0 2 2 4 3 4 8 10 9 5 3 0 5 2 0 1 2 3 2 3 1 1 0 0 1 1 4 3 1 0 2 3 1 0 4 1 3 98
UNIVERSITY TECHNOLOGIES INTERNATIONAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 3 6 4 5 9 12 14 11 7 12 5 1 4 0 97
PULP AND PAPER RESEARCH INSTITUTE OF CANADA 2 1 9 6 2 2 3 1 2 0 0 1 3 1 1 1 1 1 0 1 4 0 2 4 1 7 5 5 5 4 3 1 3 4 3 1 1 3 0 94
BOMBARDIER INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 2 7 2 3 3 0 0 3 2 2 2 9 16 28 8 0 1 0 93
NORANDA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 4 2 0 3 4 6 7 6 10 8 5 5 3 5 2 3 9 1 3 1 0 0 91
UNIVERSITY OF WATERLOO 0 0 0 0 0 0 1 1 1 0 0 0 0 1 2 0 6 5 1 4 6 4 4 3 1 3 5 8 6 5 7 3 7 3 1 0 1 0 2 91
DEERE + COMPANY 3 1 1 7 2 2 0 1 0 0 1 6 2 6 3 2 5 2 1 3 4 3 2 0 7 3 4 4 2 0 0 1 0 1 4 3 0 0 2 88
DOMTAR INC. 0 0 0 0 0 0 0 0 0 3 9 9 12 4 1 0 5 3 5 10 2 7 2 4 0 4 1 1 1 1 2 0 0 2 0 0 0 0 0 88
BLACK & DECKER INC. 0 0 0 0 0 0 0 0 4 3 0 0 4 5 6 6 2 0 2 1 0 0 1 3 1 1 1 3 2 3 0 4 5 3 8 1 7 8 3 87
UNIVERSITE DE SHERBROOKE 0 0 0 1 8 10 5 2 4 2 0 0 3 2 2 1 2 2 1 2 3 1 0 0 2 0 2 2 6 2 5 2 2 1 1 5 1 3 2 87
UNIVERSITY OF SASKATCHEWAN 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 1 0 3 2 2 2 7 6 3 10 13 4 5 3 2 4 7 1 8 86
ELECTROHOME LIMITED 9 13 11 12 8 4 3 1 5 3 1 0 0 0 3 0 1 1 3 0 0 1 2 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 84
FLEXI-COIL LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 3 1 1 0 0 1 0 0 1 1 7 11 36 13 4 0 0 0 0 84
JDS UNIPHASE INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3 20 24 13 10 5 6 84
DOMTAR LIMITED 12 10 5 1 9 7 10 12 12 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 79
MERCK + CO., INC. 0 1 0 1 0 0 4 5 4 3 2 3 3 4 0 4 2 1 2 2 4 0 1 0 2 1 0 0 2 0 5 5 1 4 6 4 1 2 0 79
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF ENERGY, MINES AND RESOURCES CANADA 0 0 0 0 0 0 0 0 0 7 3 2 2 0 2 1 3 5 2 2 3 2 4 9 9 10 7 4 1 0 0 0 0 0 0 0 0 0 0 78
JDS FITEL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 7 14 17 3 5 13 7 6 1 0 0 0 78
UNIVERSITE DE MONTREAL 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3 1 0 2 0 0 3 8 6 12 8 6 3 7 6 5 3 3 1 78
ZENON ENVIRONMENTAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 3 8 0 2 2 1 1 4 6 10 6 7 8 9 9 0 78
COM DEV LTD. 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 3 6 1 7 1 3 0 1 2 0 5 0 4 7 4 10 5 2 1 8 3 0 76
GENERAL ELECTRIC COMPANY 0 2 3 0 1 0 4 2 2 3 0 0 1 0 0 1 2 0 0 2 1 2 1 0 2 3 0 0 0 0 4 1 3 14 5 5 3 3 3 73
ALTERA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 3 11 13 43 72
WESTINGHOUSE CANADA LTD. 3 4 6 5 10 4 4 1 3 5 4 2 2 3 2 2 1 2 2 2 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 72
NORANDA MINES LIMITED 2 5 3 3 2 7 5 5 9 7 5 7 2 2 2 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 71
STELCO INC. 5 3 0 9 2 4 0 4 5 4 2 0 2 0 0 2 3 2 0 1 3 3 4 0 3 2 0 0 0 0 4 1 1 0 1 1 0 0 0 71
E. I. DU PONT DE NEMOURS AND COMPANY 5 4 3 0 1 1 0 0 0 1 0 0 8 1 0 1 0 1 0 0 1 0 0 0 1 1 4 1 2 2 0 5 5 5 4 7 2 3 1 70
PIONEER HI-BRED INTERNATIONAL, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 1 0 0 3 2 2 2 6 3 7 10 2 4 7 8 3 7 70
TROPIC NETWORKS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 11 10 31 12 70
INTERNATIONAL NICKEL COMPANY, INC. 3 3 2 3 5 6 9 4 12 10 8 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 69
NOVA CHEMICALS (INTERNATIONAL) S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 10 12 13 5 13 4 7 4 69
POLYMER CORPORATION LIMITED 10 18 14 15 2 7 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 69
BOMBARDIER RECREATIONAL PRODUCTS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 29 20 7 68
RAYTHEON COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 8 2 2 3 12 10 10 11 8 68
ALLELIX BIOPHARMACEUTICALS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 3 2 5 3 8 17 11 5 10 0 0 0 0 0 0 0 67
AVENTIS PASTEUR LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 28 15 7 4 2 1 67
DIFFRACTO, LTD. 0 0 0 0 0 0 0 0 0 0 1 1 2 2 7 6 5 6 8 7 7 2 3 4 1 0 0 0 0 1 1 1 2 0 0 0 0 0 0 67
DOMINION ENGINEERING WORKS LIMITED 1 5 7 7 9 5 6 4 0 3 6 3 4 1 1 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 67
MOTOROLA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 0 1 0 1 1 3 2 3 5 4 12 6 11 3 5 5 0 0 0 1 0 0 67
UNIROYAL CHEMICAL COMPANY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 2 4 5 5 6 2 1 2 9 4 2 6 4 4 2 1 1 0 1 0 67
NATIONAL STEEL CAR LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 1 0 5 1 4 4 4 13 5 13 8 5 66
MERCK FROSST CANADA & CO. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 11 18 19 5 3 2 2 3 65
PRATT & WHITNEY CANADA INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 4 2 7 2 2 6 0 2 7 4 1 4 9 8 0 0 0 0 0 0 0 65
UNIVERSITY OF TOR