State Trademark Information Links

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://sos.alabama.gov/administrative-services/trademarks
Alaska: https://www.commerce.alaska.gov/web/cbpl/corporations/trademarkregistrat...
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=472426#trade
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://dcra.dc.gov/service/register-trade-name
Florida: http://form.sunbiz.org/cor_t.html
Georgia: http://sos.ga.gov/index.php/corporations/trademarks__service_marks2
Hawaii: http://cca.hawaii.gov/breg/registration/trade/
Idaho: http://www.sos.idaho.gov/tmarks/tmindex.htm
Illinois: http://www.cyberdriveillinois.com/publications/business_services/trademark.html
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://www.sos.ky.gov/bus/tmandsm/Pages/default.aspx
Louisiana: http://www.sos.la.gov/BusinessServices/FileBusinessDocuments/GetFormsAndFeeSchedule/Pages/default.aspx
Application for Registration of Mark (PDF 42kb): http://www.sos.la.gov/businessservices/publisheddocuments/309tradenametr...
Maine: http://www.maine.gov/sos/cec/corp/trademarks.html
Maryland: http://sos.maryland.gov/Pages/Trademarks/Trademarks.aspx
Massachusetts: http://www.sec.state.ma.us/cor/corpweb/cortmsm/tmsmfrm.htm
Michigan: http://michigan.gov/lara/0,4601,7-154-61343_35413_35431---,00.html
Minnesota: http://www.sos.state.mn.us/index.aspx?page=1093
Mississippi: http://www.sos.ms.gov/BusinessServices/Pages/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://sos.nh.gov/Corp_Div.aspx
New Jersey: http://www.state.nj.us/treasury/revenue/dcr/geninfo/corpman.shtml#TMSM
New Mexico: http://www.sos.state.nm.us/Business_Services/Trademark_FAQs.aspx
New York: http://www.nysl.nysed.gov/tradmark.htm
North Carolina: http://www.secretary.state.nc.us/trademrk/
North Dakota: http://sos.nd.gov/business/business-services/trademark-service-mark
Ohio: http://www.sos.state.oh.us/sos/Businesses/businessServices/Trademarks%20%20Service%20Marks.aspx
Oklahoma: https://www.sos.ok.gov/trademarks/default.aspx
Oregon: http://sos.oregon.gov/business/Pages/trademarks.aspx 
Pennsylvania: http://www.dos.pa.gov/BusinessCharities/Business/Resources/Pages/Registr...
Rhode Island: http://sos.ri.gov/business/trademark/
South Carolina: http://www.scsos.com/Library_of_Forms_and_Fees#Trademarks
South Dakota: https://sdsos.gov/business-services/trademark-name-registration/trade-marks.aspx
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: https://www.sec.state.vt.us/corporationsbusiness-services/trademark-fili...
Virginia: http://www.scc.virginia.gov/srf/bus/tmsm_regis.aspx
Washington: http://www.sos.wa.gov/corps/Trademarks.aspx
West Virginia: http://www.sos.wv.gov/business-licensing/trademarkservicemarks/Pages/default.aspx
Wisconsin: http://www.wdfi.org/Apostilles_Notary_Public_and_Trademarks/defaultTrade...
Wyoming: http://will.state.wy.us/trademarks/
Wyoming Trademark and Service Mark Law: http://legisweb.state.wy.us/statutes/statutes.aspx?file=titles/Title40/T40CH1.htm
Puerto Rico: https://prtmfiling.f1hst.com/ (English and Spanish)