Many fields in the Patent Database use codes in place of U.S. state and territory names. Since searching for the full name of a state won't find a match since only the code exists in the data, this table will be helpful in your searches in state fields (such as Inventor and Assignee State).
State | Code | State | Code | |||
---|---|---|---|---|---|---|
ALASKA | AK | MONTANA | MT | |||
ALABAMA | AL | NEBRASKA | NE (NB) | |||
ARKANSAS | AR | NORTH CAROLINA | NC | |||
ARIZONA | AZ | NORTH DAKOTA | ND | |||
CALIFORNIA | CA | NEW HAMPSHIRE | NH | |||
COLORADO | CO | NEW JERSEY | NJ | |||
CONNECTICUT | CT | NEW MEXICO | NM | |||
CANAL ZONE | CZ | NEW YORK | NY | |||
DISTRICT OF COLUMBIA |
DC | NEVADA | NV | |||
DELAWARE | DE | OHIO | OH | |||
FLORIDA | FL | OKLAHOMA | OK | |||
GEORGIA | GA | OREGON | OR | |||
HAWAII | HI | PENNSYLVANIA | PA | |||
IOWA | IA | PUERTO RICO | PR | |||
IDAHO | ID | RHODE ISLAND | RI | |||
ILLINOIS | IL | SOUTH CAROLINA | SC | |||
INDIANA | IN | SOUTH DAKOTA | SD | |||
KANSAS | KS | TENNESSEE | TN | |||
KENTUCKY | KY | TEXAS | TX | |||
LOUISIANA | LA | UTAH | UT | |||
MASSACHUSETTS | MA | VIRGINIA | VA | |||
MARYLAND | MD | VIRGIN ISLANDS | VI | |||
MAINE | ME | VERMONT | VT | |||
MICHIGAN | MI | WASHINGTON | WA | |||
MINNESOTA | MN | WISCONSIN | WI | |||
MISSOURI | MO | WEST VIRGINIA | WV | |||
MISSISSIPPI | MS | WYOMING | WY |
NOTE: The state abbreviation for Nebraska used in patents prior to July 4, 1978 was NB rather than NE.