patent infringement

Patent Infringement: Summary Judgment Fails Under the Doctrine of Equivalents

When is a patent infringement defendant entitled to summary judgment of non-infringement under the doctrine of equivalents?  That question was addressed in CSB-Systems International, Inc. v. SAP America, Inc., No. 10-2156 (E.D. P… Read More

Notice Pleading Contributory and Induced Patent Infringement

Bare bones allegations that a defendant knew of a patent, and intended others’ infringement, were not enough to sustain allegations that the defendant indirectly, i.e., contributorily and by inducement, infringed the patent.… Read More

Sanctions Denied Where Patent Plaintiff's Theory of Infringement Was (Barely) Colorable

A plaintiff whose theory of patent infringement depended on reading the word “at” to mean “associated with” was not subject to sanctions for bringing suit, even though the court found “unconvincing… Read More