Keyword Decision in California
Given the nature of the alleged infringement here, the most relevant factors to the analysis of the likelihood of con- fusion are: (1) the strength of the mark; (2) the evidence of actual confusion; (3) the type of goods and degree of care likely to be exercised by the purchaser; and (4) the labeling and appearance of the advertisements and the surrounding context on the screen displaying the results page.
The district court did not weigh the Sleekcraft factors flexibly to match the specific facts of this case. It relied on the Internet “troika,” which is highly illuminating in the context of domain names, but which fails to discern whether there is a likelihood of confusion in a keywords case. Because the linchpin of trademark infringement is consumer confusion, the district court abused its discretion in issuing the injunction. "