424 F. Supp. 2d 896 (E.D. Tex. 2006) Cited 35 times
Denying amendment: "DirecTV did not adequately explain how the court's definition of any of the terms in dispute was so surprising, or differed so greatly from the proposals made by the parties, that it justifies admission of new prior art references two weeks before Finisar's deadline to submit rebuttal expert reports."