Eric Goldman has the details on a case involving Fair Isaac and its (failed) attempt to claim a trademark on the infamous credit scores it offers. Obviously, you can't just trademark numbers, but Fair Isaac tried to make the case that the scale it uses for your credit rating scores, 300-850, is protectable. The jury tossed that out, and the judge summarized: "the jury returned a verdict finding that the alleged '300-850' mark was not a valid, protectable trademark because the term '300-850”'has not acquired secondary meaning." Separately, in the meat of the case, the court rejected claims by Fair ...

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