Expert Patent Litigation Support Regarding Dummy Metal Patterns

In one instance, an attorney lacked understanding of dummy metal patterns used in the process of chemical mechanical polishing of metal layers on integrated circuits. The algorithms that determined the patterning of the dummy patterns as well as the factors determining their choices were outside their expertise. Expert consultants read through the patents and reported to the attorney the differences between the pattern types and their implications in both pattern fabrication and electrical performance.

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