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Patent Assertion Entity Activity

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Figure 5.3: Subcategories for Study Sample <strong>Patent</strong>s in Computer & Communications<br />

and Other Electrical & Electronic Categories<br />

Note: Technology sub-classification for all “Computer & Communications” and “Other Electrical &<br />

Electronics” patents held by each type of Responding PAE. The percentages displayed in the chart are<br />

based only on the patents that are in one of these two categories. The sample includes 100% of the study<br />

utility and re-issue patents in these categories.<br />

Because such a large share of the study sample of patents were in the Computers & Communications<br />

and Other Electrical & Electronic categories, the report provides additional detail on the sub-categories<br />

describing the technology types of these patents. 315 Figure 5.3 shows the relative proportions of patents<br />

in the Computers & Communications and Other Electrical & Electronic patent categories. There were<br />

no dramatic differences in the composition of the patent holdings of the Litigation and Portfolio PAEs<br />

within these sub-categories. For both Litigation and Portfolio PAEs, the largest technology sub­<br />

315<br />

Hall et al., supra note 9, App’x 1.<br />

132

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