The Substack name and the Substack logo—together with any word, symbol, or device we at Substack, Inc. use to indicate the source of our products—are our protected trademarks (the “Substack Marks”). We ask that any use of the Substack Marks respect the terms of these guidelines, which we may modify or cancel at any time, at our sole discretion, without notice.
These guidelines do not provide you any license or permission to make trademark use of the Substack Marks. You may only use the Substack Marks:
- as allowed by law—for instance, when making a “fair use” or when accurately referring to our business and its products by our name;
- or with our advance, express, and written permission.
Further, you must not:
- use the Substack Marks in any way that would suggest association between Substack and any other party, or that would imply our sponsorship or endorsement of any other party, product, or business;
- use the Substack Marks in any way that would dilute, diminish, or tarnish them;
- use the Substack Marks to refer to goods or services provided by any business other than Substack, Inc. and our affiliates;
- use the Substack Marks to refer generically to the products and services we provide;
- alter, modify, re-color, or otherwise create variations of the Substack Marks;
- use the Substack Marks on any merchandise;
- or incorporate the Substack Marks into your own trademarks or into the name of your business, product, or service.
Substack, Inc. is committed to maintaining the integrity of the Substack Marks, and reserves the right to take appropriate enforcement action in the event of any infringement of its legal rights.
