MORRISVILLE,PHT, a provider of electronic solutions for patient outcomes, said Thursday that it has filed a patent infringement suit against etrials.

etrials is based in Morrisville.

PHT said the suit deals with its patents for use in electronic diaries for patients used in clinical trials.

Etrials offers electronic patient diaries as part of its offerings for clinical trial support.

etrials: www.etrials.com