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When applying for a patent, applicants must provide the examiner with all known material prior art. Those who fail to do so can be charged with inequitable conduct. But applicants can still effectively hide material prior art references by submitting them along with large quantities of immaterial prior art to the examiner. This deceptive practice, known as "burying," is generally not considered inequitable conduct. This Essay summarizes the current legal landscape concerning burying, discusses the costs associated with the practice, and suggests ways to deter and punish those who do it.