"Plain and ordinary meaning" has a mixed record as a claim construction position. Despite the fact that the claim language itself is the heart of claim construction, litigants and judges may feel pressure to define claim language that is already reasonably clear, especially if there is a dispute tied to that language. In fact, judges in this District have expressly discouraged litigants from advancing "plain and ordinary meaning" as a proposed construction during the Markman process.
However, there is no reason that the language of the claim itself - if sufficiently clear - cannot stand on its own, even if there is a dispute. The challenge (and burden) for the Court lies in sorting through the alleged disputes, discarding those …