ZURICH, Dec 28 (Reuters) - The Swiss blue-chip SMI was seen opening 0.2 percent higher at 9,452 points on Thursday, according to premarket indications by bank Julius Baer .
The following are some of the main factors expected to affect Swiss stocks:
* Novartis: Luye Pharma Group Ltd. said a German court of appeal dismissed an appeal from Novartis AG in a patent infringement lawsuit regarding Rivastigmine 1 day patch to treat Alzheimer's disease.
* Syngenta said it intends to voluntarily delist its American Depositary Shares from the New York Stock Exchange and subsequently deregister and terminate its U.S. reporting obligations.
Reporting by Zurich newsroom