A “Certificate of Assumed Name” is a document filed by an incorporated entity with the state identifying an assumed of the entity. Operating under an assumed name without filing a Certificate of Assumed Name can cause the business entity to lose its corporate liability shield, exposing the entity’s owners or operators to liability for the entity’s liabilities. In Michigan, a Certificate of Assumed name is filed with LARA. Only LLCs, corporations, and other incorporated entities can file a Certificate of Assumed Name with the state of Michigan. Unincorporated entities must file a “Certificate – Conducting Business Under an Assumed Name” in the county or counties where they do business.

Note that filing a Certificate of Assumed Name does not create trademark rights.