Notification of Assumed Business Changes
Any change in a business that has registered an assumed name (i.e., change of address or addition/withdrawal of a business partner) requires that the business owner(s) notify the County Clerk's office by filing the appropriate form(s).
Some business changes also require re-submission of a Copy of Legal Notice to be Published for publication in accordance with the procedures for registering an assumed name.
Business changes requiring new publication of legal notice.
- Adding a business partner
If a person wishes to add his or her name (with permission of original owner) to gain ownership or financial interest in the business, an additional or supplementary certificate must be filed with the Clerk's office and the business must publish a new legal notice in a local newspaper.
- Name change
If any person on the Assumed Name Certificate changes his or her name, or the name of the business changes:
Business changes requiring notification of the Clerk's office only
- Dissolution of a business
Dissolution of a business requires termination of the assumed name:
- Change of address
If any person on the Assumed Name Certificate changes his or her residence address, or the address of the business changes:
- Withdrawal of business partner
If a person wishes to withdraw his or her name and have no further connection with or financial interest in the business:
There are several ways to request the forms listed above:
- Online: Download and print an application.
- Call: Request that the Cook County Clerk's office send you an application by calling the Assumed Name Unit at (312) 603-5652.
- Mail: Request an application by writing to:
Cook County Clerk David Orr
Bureau of Vital Records
Attn: Assumed Name Unit
P.O. Box 642570
Chicago, IL 60664-2570
- Visit: Pick up an application at:
Cook County Clerk's Assumed Name Unit
Bureau of Vital Records