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

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

Count of 2004 - 2008 Utility Patent Grants,
As Distributed 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 a 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 either by year of patent grant or by year of patent application.
(U.S. or Foreign) Code State-Territory or Country 2004 2005 2006 2007 2008 Total
(U.S.) CA CALIFORNIA 48 54 43 54 72 271
(U.S.) NY NEW YORK 21 9 16 20 17 83
(U.S.) FL FLORIDA 16 8 15 17 16 72
(U.S.) TX TEXAS 8 12 10 10 13 53
(U.S.) VA VIRGINIA 2 12 8 10 11 43
(U.S.) MA MASSACHUSETTS 4 4 5 3 17 33
(U.S.) WA WASHINGTON 2 5 5 10 10 32
(U.S.) PA PENNSYLVANIA 5 4 9 5 5 28
(U.S.) IL ILLINOIS 4 5 3 7 3 22
(U.S.) GA GEORGIA 1 3 10 5 2 21
(U.S.) NJ NEW JERSEY 2 2 5 6 2 17
(U.S.) OH OHIO 5 3 2 2 4 16
(U.S.) MN MINNESOTA 1 3 5 1 4 14
(U.S.) UT UTAH 5 1 2 2 4 14
(U.S.) MD MARYLAND 4 0 5 2 2 13
(U.S.) AZ ARIZONA 3 0 4 3 2 12
(U.S.) RI RHODE ISLAND 1 2 2 6 1 12
(U.S.) OR OREGON 3 1 2 1 3 10
(U.S.) MO MISSOURI 4 3 0 2 0 9
(U.S.) MI MICHIGAN 1 0 1 3 3 8
(U.S.) OK OKLAHOMA 2 3 0 1 2 8
(U.S.) CO COLORADO 2 1 2 2 0 7
(U.S.) NM NEW MEXICO 0 0 2 1 4 7
(U.S.) WI WISCONSIN 1 0 0 2 4 7
(U.S.) CT CONNECTICUT 2 0 3 1 0 6
(U.S.) IN INDIANA 0 1 1 0 4 6
(U.S.) KY KENTUCKY 1 1 0 1 2 5
(U.S.) AL ALABAMA 0 0 1 1 2 4
(U.S.) TN TENNESSEE 0 0 2 0 2 4
(U.S.) AK ALASKA 1 1 0 1 0 3
(U.S.) IA IOWA 1 0 1 1 0 3
(U.S.) LA LOUISIANA 0 1 1 0 1 3
(U.S.) DE DELAWARE 0 0 1 0 1 2
(U.S.) HI HAWAII 1 0 1 0 0 2
(U.S.) KS KANSAS 0 1 0 1 0 2
(U.S.) NC NORTH CAROLINA 0 0 0 1 1 2
(U.S.) ND NORTH DAKOTA 0 0 0 0 2 2
(U.S.) NH NEW HAMPSHIRE 0 1 1 0 0 2
(U.S.) WV WEST VIRGINIA 0 0 2 0 0 2
(U.S.) DC DISTRICT OF COLUMBIA 0 0 0 0 1 1
(U.S.) ID IDAHO 0 0 0 1 0 1
(U.S.) ME MAINE 0 0 0 1 0 1
(U.S.) MS MISSISSIPPI 0 0 0 0 1 1
(U.S.) NE NEBRASKA 1 0 0 0 0 1
(U.S.) NV NEVADA 0 0 0 0 1 1
(U.S.) SC SOUTH CAROLINA 0 0 0 0 1 1
(U.S.) SD SOUTH DAKOTA 0 0 1 0 0 1
(U.S.) VT VERMONT 0 0 1 0 0 1
(U.S.)   -- Subtotal -- 152 141 172 184 220 869
(Foreign) JPX JAPAN 51 26 41 87 87 292
(Foreign) TWX TAIWAN 21 18 24 28 23 114
(Foreign) DEX GERMANY 17 11 17 19 27 91
(Foreign) FRX FRANCE 9 5 5 8 15 42
(Foreign) AUX AUSTRALIA 10 4 10 3 3 30
(Foreign) KRX KOREA, SOUTH 9 6 4 7 3 29
(Foreign) CAX CANADA 7 7 3 1 4 22
(Foreign) ILX ISRAEL 7 2 2 6 3 20
(Foreign) GBX UNITED KINGDOM 5 4 2 4 3 18
(Foreign) ITX ITALY 4 6 4 1 1 16
(Foreign) HKX CHINA,HONG KONG S.A.R. 4 3 0 4 2 13
(Foreign) NLX NETHERLANDS 3 0 2 2 6 13
(Foreign) CHX SWITZERLAND 2 2 0 0 5 9
(Foreign) ATX AUSTRIA 0 2 4 1 1 8
(Foreign) CNX CHINA, PEOPLE'S REPUBLIC OF 2 0 1 2 3 8
(Foreign) FIX FINLAND 3 0 0 1 0 4
(Foreign) SEX SWEDEN 0 1 0 1 2 4
(Foreign) DKX DENMARK 0 1 0 1 1 3
(Foreign) SGX SINGAPORE 0 0 1 0 2 3
(Foreign) HUX HUNGARY 0 0 0 1 1 2
(Foreign) IEX IRELAND 1 0 1 0 0 2
(Foreign) INX INDIA 0 0 0 0 2 2
(Foreign) RUX RUSSIAN FEDERATION 1 0 0 1 0 2
(Foreign) UAX UKRAINE 1 1 0 0 0 2
(Foreign) BRX BRAZIL 0 0 0 0 1 1
(Foreign) MXX MEXICO 0 0 1 0 0 1
(Foreign) MYX MALAYSIA 0 1 0 0 0 1
(Foreign) PTX PORTUGAL 0 1 0 0 0 1
(Foreign) ZAX SOUTH AFRICA 0 1 0 0 0 1
(Foreign)   -- Subtotal -- 157 102 122 178 195 754
(ALL) ALL All Regions, U.S. and Foreign 309 243 294 362 415 1623


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

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