What you’ll need:

• The company’s name filing the trademark
• The year the company applied for the trademark or the certificate was issued
• The certificate/application number
• The Archives has an index of certificates issued from 1888-1943. For other certificate/application numbers and years, contact the Business Registration Division

What you’ll find:

1. Index to Certificates of Registration, 1910-1943
2. Certificates of Registration up to No. 22,000 for 1888-1972
3. Applications, 1888-1976
4. Applications & Certificates of Registration Nos. 22,001-94,000 for 1972-1988
5. Correspondence Regarding Trademark Applications, 1913-1933
6. Assignments, Mergers, Change of Corporate Name, 1943-1963

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