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

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

Count of 2001 - 2005 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 351, Optics: Eye Examining, Vision Testing and Correcting

( 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 2001 2002 2003 2004 2005 Total
(U.S.) CA CALIFORNIA 31 32 45 48 54 210
(U.S.) NY NEW YORK 19 22 20 21 9 91
(U.S.) FL FLORIDA 16 19 17 16 8 76
(U.S.) TX TEXAS 4 4 6 8 12 34
(U.S.) MA MASSACHUSETTS 10 3 8 4 4 29
(U.S.) IL ILLINOIS 8 3 7 4 5 27
(U.S.) VA VIRGINIA 4 3 6 2 12 27
(U.S.) PA PENNSYLVANIA 6 1 7 5 4 23
(U.S.) WA WASHINGTON 6 4 1 2 5 18
(U.S.) MO MISSOURI 3 4 3 4 3 17
(U.S.) MD MARYLAND 6 2 4 4 0 16
(U.S.) NJ NEW JERSEY 4 4 2 2 2 14
(U.S.) MN MINNESOTA 5 2 2 1 3 13
(U.S.) MI MICHIGAN 2 6 3 1 0 12
(U.S.) OH OHIO 3 1 0 5 3 12
(U.S.) OR OREGON 0 4 3 3 1 11
(U.S.) OK OKLAHOMA 2 2 1 2 3 10
(U.S.) UT UTAH 0 2 1 5 1 9
(U.S.) AZ ARIZONA 4 0 0 3 0 7
(U.S.) KY KENTUCKY 2 2 1 1 1 7
(U.S.) NM NEW MEXICO 1 1 5 0 0 7
(U.S.) RI RHODE ISLAND 1 1 2 1 2 7
(U.S.) CO COLORADO 0 0 3 2 1 6
(U.S.) TN TENNESSEE 2 0 4 0 0 6
(U.S.) AL ALABAMA 1 1 3 0 0 5
(U.S.) CT CONNECTICUT 1 1 0 2 0 4
(U.S.) GA GEORGIA 1 0 0 1 2 4
(U.S.) HI HAWAII 1 1 1 1 0 4
(U.S.) LA LOUISIANA 1 1 1 0 1 4
(U.S.) IN INDIANA 1 0 1 0 1 3
(U.S.) NV NEVADA 1 0 2 0 0 3
(U.S.) WI WISCONSIN 1 0 1 1 0 3
(U.S.) WV WEST VIRGINIA 0 0 3 0 0 3
(U.S.) AK ALASKA 0 0 0 1 1 2
(U.S.) AR ARKANSAS 0 1 1 0 0 2
(U.S.) IA IOWA 1 0 0 1 0 2
(U.S.) ME MAINE 1 1 0 0 0 2
(U.S.) NC NORTH CAROLINA 1 1 0 0 0 2
(U.S.) ID IDAHO 0 1 0 0 0 1
(U.S.) KS KANSAS 0 0 0 0 1 1
(U.S.) MS MISSISSIPPI 1 0 0 0 0 1
(U.S.) NE NEBRASKA 0 0 0 1 0 1
(U.S.) NH NEW HAMPSHIRE 0 0 0 0 1 1
(U.S.) SC SOUTH CAROLINA 0 0 1 0 0 1
(U.S.) VT VERMONT 1 0 0 0 0 1
(U.S.) WY WYOMING 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 152 130 166 152 140 740
(Foreign) JPX JAPAN 50 40 49 51 26 216
(Foreign) TWX TAIWAN 23 19 19 21 18 100
(Foreign) DEX GERMANY 14 16 12 17 11 70
(Foreign) FRX FRANCE 11 7 15 9 5 47
(Foreign) AUX AUSTRALIA 6 8 5 10 4 33
(Foreign) ITX ITALY 7 3 7 4 6 27
(Foreign) ILX ISRAEL 7 4 6 7 2 26
(Foreign) KRX SOUTH KOREA 3 6 2 9 6 26
(Foreign) CAX CANADA 3 3 3 7 7 23
(Foreign) GBX UNITED KINGDOM 4 4 5 5 4 22
(Foreign) HKX CHINA,HONG KONG S.A.R. 1 2 2 4 3 12
(Foreign) CHX SWITZERLAND 1 3 3 2 2 11
(Foreign) ATX AUSTRIA 2 2 2 0 2 8
(Foreign) DKX DENMARK 4 0 3 0 1 8
(Foreign) CNX CHINA P.REP. 0 2 3 2 0 7
(Foreign) NLX NETHERLANDS 0 2 2 3 0 7
(Foreign) ESX SPAIN 0 0 3 0 0 3
(Foreign) FIX FINLAND 0 0 0 3 0 3
(Foreign) INX INDIA 0 1 2 0 0 3
(Foreign) SEX SWEDEN 0 1 1 0 1 3
(Foreign) UAX UKRAINE 0 1 0 1 1 3
(Foreign) COX COLOMBIA 1 0 1 0 0 2
(Foreign) HUX HUNGARY 1 0 1 0 0 2
(Foreign) IEX IRELAND 0 0 1 1 0 2
(Foreign) RUX RUSSIAN FEDERATION 1 0 0 1 0 2
(Foreign) ARX ARGENTINA 0 1 0 0 0 1
(Foreign) BRX BRAZIL 0 1 0 0 0 1
(Foreign) MYX MALAYSIA 0 0 0 0 1 1
(Foreign) NOX NORWAY 0 0 1 0 0 1
(Foreign) PTX PORTUGAL 0 0 0 0 1 1
(Foreign) SGX SINGAPORE 1 0 0 0 0 1
(Foreign) ZAX SOUTH AFRICA 0 0 0 0 1 1
(Foreign)   -- Subtotal -- 140 126 148 157 102 673
(ALL) ALL All Regions, U.S. and Foreign 292 256 314 309 242 1413


PTMB Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
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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