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Invalidated Patents And Associated Patent Examiners, Shine Tu
Invalidated Patents And Associated Patent Examiners, Shine Tu
Law Faculty Scholarship
This study attempts to determine whether there are common
characteristics between examiners who issue invalidated patents. This
study uses two new patent databases that code for nearly 1.7 million
patents and approximately one thousand patents that were litigated to
a 'final" judgment between 2010 and 2011. This study finds that
approximately one-third of patents that are litigated to final judgment
are found invalid. Most invalidated patents are found in technology
centers 1600, 2600, and 2700, which correspond to biotechnology and
organic chemistry, communications, and computer science, respectively.
Most patents are invalidated on prior art-type novelty and obviousness
grounds. This study …