To acquire trademark and/or service mark registration at the state level, applicants must file an application with the trademark office of the specific state in which protection is sought. For information about state registration requirements, applicants must contact the individual state trademark office.

State: Website Address:
Alabama: http://www.sos.alabama.gov/BusinessServices/Trademarks.aspx

Alaska: http://www.commerce.state.ak.us/occ/tmark.htm

Arizona: http://www.azsos.gov/business_services/tnt/

Arkansas: http://www.sos.arkansas.gov/BCS/Pages/default.aspx

California: http://www.sos.ca.gov/business/ts/ts.htm

Colorado: http://www.sos.state.co.us/pubs/business/forms_main.html#Trademarks

Connecticut: http://www.sots.ct.gov/sots/cwp/view.asp?a=3177&q=392124&SOTSNav_GID=184...

Delaware: http://corp.delaware.gov/trademark.shtml

District of Columbia: Use of a mark solely within the District of Columbia qualifies for federal registration. There is no D.C. trademark law. The District's trade name registry can be found at: http://brc.dc.gov/planning/requirements/tradename.asp

Florida: http://form.sunbiz.org/cor_t.html

Georgia: http://sos.georgia.gov/corporations/trademarks.htm

Hawaii: http://hawaii.gov/dcca/areas/breg/registration/trade/

Idaho: http://www.sos.idaho.gov/tmarks/tmindex.htm

Illinois: http://www.cyberdriveillinois.com/publications/business_services/tradema...

Indiana: http://www.in.gov/apps/sos/trademarks/

Iowa: http://sos.iowa.gov/business/FormsAndFees.html#TradeServiceMarks

Kansas: http://www.kssos.org/resources/resources_faq_trademark.html

Kentucky: http://sos.ky.gov/business/trademarks/

Louisiana: http://www.sos.louisiana.gov/tabid/500/Default.aspx
Application for Registration of Mark (PDF 42kb): http://www.sos.louisiana.gov/Portals/0/309TradeNameTradeMarkandServiceMa...

Maine: http://www.maine.gov/sos/cec/corp/trademarks.html

Maryland: http://www.sos.state.md.us/registrations/trademarks/Trademarks.aspx

Massachusetts: http://www.sec.state.ma.us/cor/corpweb/cortmsm/tmsmfrm.htm

Michigan: http://www.michigan.gov/dleg/0,1607,7-154-35299_35413_35431---,00.html

Minnesota: http://www.sos.state.mn.us/home/index.asp?page=18&dc_id=101

Mississippi: http://www.sos.ms.gov/business_services_trademarks.aspx

Missouri: http://www.sos.mo.gov/business/trademark.asp

Montana: http://sos.mt.gov/business/Trademark/index.asp

Nebraska: http://www.sos.ne.gov/business/corp_serv/corp_form.html

Nevada: http://nvsos.gov/index.aspx?page=246

New Hampshire: http://www.sos.nh.gov/corporate/trademarkleader.htm

New Jersey: http://www.state.nj.us/treasury/revenue/dcr/geninfo/corpman.shtml#TMSM

New Mexico: http://www.sos.state.nm.us/sos-Trademarks.html

New York: http://www.nysl.nysed.gov/tradmark.htm

North Carolina: http://www.secretary.state.nc.us/trademrk/

North Dakota: http://www.nd.gov/sos/businessserv/registrations/trademark.html

Ohio: http://www.sos.state.oh.us/SOS/Businesses/businessServices.aspx

Oklahoma: https://www.sos.ok.gov/trademarks/default.aspx

Oregon: http://www.filinginoregon.com/forms/business.htm
Oregon Trade and Service Mark law: http://www.leg.state.or.us/ors/647.html

Pennsylvania: http://www.dos.state.pa.us/corps/cwp/view.asp?a=1093&q=431231

Rhode Island: http://www.sec.state.ri.us/corps/trademark/trademark.html

South Carolina: http://www.scsos.com/Library_of_Forms_and_Fees#Trademarks

South Dakota: http://sdsos.gov/content/viewcontent.aspx?cat=corporations&pg=/corporati...

Tennessee: http://tennessee.gov/sos/bus_svc/trademarks.htm

Texas: http://www.sos.state.tx.us/corp/trademark.shtml

Utah: http://corporations.utah.gov/business/tm.html

Vermont: http://www.sec.state.vt.us/corps/tmkhome.htm

Virginia: http://www.scc.virginia.gov/srf/bus/tmsm.aspx

Washington: http://www.sos.wa.gov/corps/Trademarks.aspx

West Virginia: http://www.sos.wv.gov/business-licensing/trademarkservicemarks/Pages/def...

Wisconsin: http://www.sos.state.wi.us/trademark.htm

Wyoming: http://soswy.state.wy.us/Forms/FormsFiling.aspx?startwith=Business
Wyoming Trademark and Service Mark Law: http://legisweb.state.wy.us/statutes/statutes.aspx?file=titles/Title40/T...

Puerto Rico: http://www.estado.gobierno.pr/ (in Spanish)