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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes
Breakout By Geographic Origin (State and Country)

Count of 2000 - 2004 Utility Patent Grants,
By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification

- Explanation of Data -

Rank Ordered Listing of U.S. States and Countries
From Which 1 or More Utility Patents Originated During the Period
Having Primary Classification In

Class 436, Chemistry: Analytical and Immunological Testing

( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent origin is determined by the residence of the first-named inventor )

The following table displays U.S. states and countries and counts of utility patents originating from them; patents are distributed by year of patent grant
(U.S. or Foreign) Code State-Territory or Country 2000 2001 2002 2003 2004 Total
(U.S.) CA CALIFORNIA 59 68 96 84 81 388
(U.S.) MA MASSACHUSETTS 19 14 23 31 25 112
(U.S.) NY NEW YORK 18 17 27 23 13 98
(U.S.) NJ NEW JERSEY 10 12 23 19 9 73
(U.S.) TX TEXAS 19 16 7 14 13 69
(U.S.) MD MARYLAND 5 16 19 12 15 67
(U.S.) PA PENNSYLVANIA 14 20 11 13 9 67
(U.S.) FL FLORIDA 10 14 8 15 9 56
(U.S.) IL ILLINOIS 15 9 10 10 12 56
(U.S.) CO COLORADO 6 9 9 8 6 38
(U.S.) CT CONNECTICUT 6 8 8 12 1 35
(U.S.) IN INDIANA 4 11 10 3 5 33
(U.S.) NC NORTH CAROLINA 3 4 6 14 5 32
(U.S.) MN MINNESOTA 5 3 8 5 10 31
(U.S.) OH OHIO 9 2 6 4 8 29
(U.S.) WA WASHINGTON 7 6 1 5 10 29
(U.S.) VA VIRGINIA 5 7 4 5 6 27
(U.S.) MI MICHIGAN 5 6 5 1 8 25
(U.S.) AZ ARIZONA 4 2 6 4 3 19
(U.S.) NM NEW MEXICO 0 5 4 3 4 16
(U.S.) MO MISSOURI 4 6 1 1 1 13
(U.S.) ME MAINE 2 3 2 4 1 12
(U.S.) NE NEBRASKA 1 1 4 3 3 12
(U.S.) OR OREGON 1 5 3 2 1 12
(U.S.) TN TENNESSEE 2 2 1 4 3 12
(U.S.) WI WISCONSIN 2 2 1 2 5 12
(U.S.) UT UTAH 1 4 2 2 1 10
(U.S.) OK OKLAHOMA 0 1 2 2 4 9
(U.S.) DE DELAWARE 4 1 1 1 1 8
(U.S.) RI RHODE ISLAND 1 2 1 3 0 7
(U.S.) GA GEORGIA 2 3 0 0 1 6
(U.S.) IA IOWA 2 1 0 2 1 6
(U.S.) ID IDAHO 1 0 1 2 1 5
(U.S.) WY WYOMING 0 0 0 2 2 4
(U.S.) MS MISSISSIPPI 0 0 1 1 1 3
(U.S.) NH NEW HAMPSHIRE 1 1 1 0 0 3
(U.S.) SC SOUTH CAROLINA 0 0 0 2 1 3
(U.S.) VT VERMONT 0 0 2 1 0 3
(U.S.) AL ALABAMA 0 1 0 0 1 2
(U.S.) DC DISTRICT OF COLUMBIA 0 0 1 1 0 2
(U.S.) HI HAWAII 1 0 0 0 1 2
(U.S.) KY KENTUCKY 0 0 0 1 1 2
(U.S.) LA LOUISIANA 0 0 0 2 0 2
(U.S.) NV NEVADA 2 0 0 0 0 2
(U.S.) AR ARKANSAS 0 0 1 0 0 1
(U.S.) KS KANSAS 0 0 1 0 0 1
(U.S.) WV WEST VIRGINIA 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 250 282 318 323 282 1455
(Foreign) JPX JAPAN 26 27 23 39 43 158
(Foreign) DEX GERMANY 29 33 32 30 23 147
(Foreign) GBX UNITED KINGDOM 17 19 14 16 17 83
(Foreign) CAX CANADA 7 15 14 18 17 71
(Foreign) FRX FRANCE 10 4 12 6 4 36
(Foreign) SEX SWEDEN 8 5 8 5 6 32
(Foreign) FIX FINLAND 4 7 7 2 2 22
(Foreign) CHX SWITZERLAND 3 6 3 5 4 21
(Foreign) NLX NETHERLANDS 3 4 2 1 6 16
(Foreign) ILX ISRAEL 3 3 4 3 0 13
(Foreign) NOX NORWAY 0 2 2 4 3 11
(Foreign) TWX TAIWAN 0 3 3 1 4 11
(Foreign) ITX ITALY 2 0 3 4 1 10
(Foreign) BEX BELGIUM 1 1 3 1 3 9
(Foreign) KRX SOUTH KOREA 3 2 2 0 1 8
(Foreign) AUX AUSTRALIA 1 1 1 2 2 7
(Foreign) DKX DENMARK 2 0 2 3 0 7
(Foreign) ATX AUSTRIA 4 1 0 1 0 6
(Foreign) RUX RUSSIAN FEDERATION 3 1 0 1 0 5
(Foreign) BRX BRAZIL 0 0 1 2 1 4
(Foreign) CNX CHINA P.REP. 0 1 1 0 0 2
(Foreign) ESX SPAIN 1 1 0 0 0 2
(Foreign) HUX HUNGARY 0 1 1 0 0 2
(Foreign) IEX IRELAND 0 0 0 1 1 2
(Foreign) BSX THE BAHAMAS 0 0 1 0 0 1
(Foreign) NZX NEW ZEALAND 0 0 0 1 0 1
(Foreign) PLX POLAND 0 0 0 0 1 1
(Foreign) SAX SAUDI ARABIA 1 0 0 0 0 1
(Foreign) TZX TANZANIA 0 1 0 0 0 1
(Foreign) VEX VENEZUELA 0 1 0 0 0 1
(Foreign) YUX YUGOSLAVIA 1 0 0 0 0 1
(Foreign)   -- Subtotal -- 129 139 139 146 139 692
(ALL) ALL All Regions, U.S. and Foreign 379 421 457 469 421 2147


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Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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