1.   But an infringement dispute over prepaid tuition programs has just erupted into a full-blown battle over how heavily a state can tread on the commercial rights of an individual.

2.   The other intellectual property case scheduled to be heard by the court Monday is Herbert Markman vs. Westview Instruments Inc., a patent infringement dispute.

3.   The two pharmaceutical companies are locked in a patent infringement dispute.

4.   A federal court has ruled in favor of a Swedish company in a patent infringement dispute with a Massachusetts biotech company.

5.   The owners of a feminist bookstore involved in a trademark infringement dispute with Amazon.com want the online company barred from asking about their sexual orientation.