The CALI website will be unavailable beginning Saturday December 27, 2025 at 8:00 AM ET continuing through no later than 8:00 AM ET on Tuesday December 30, 2025

We are going to make necessary and critical updates to our systems during this timeframe. While we anticipate using only a portion of the time, members should be prepared for the site being offline for the full 3 days. During this maintenance window www.cali.org and other sites including Classcaster, Lawbooks, and our authoring systems will be unavailable. 

 

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Incontestability

This lesson teaches about the concept of incontestability: what it is, and what benefits it confers on trademark owners. This lesson can be used either for teaching the subject or for review.

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