A serious encroachment, Mr. Hall said, could render title to the property technically "unmarketable."

But Dr. Wilkins suffered two serious encroachments on his territory.

Unlawful arrests, he noted, constitute a serious encroachment on individual liberty.

In recent years, Congress has made some serious encroachments on the traditional state and local role in criminal law enforcement, but the Brady law isn't one of them.

Similarly, prohibiting newspaper from publishing its own views or views of correspondents about a topic has been held to be a serious encroachment on the freedom of speech and expression.

Data storage and monitoring are serious encroachments on people's freedom.

We are talking about a serious encroachment on fundamental rights without any legal basis.

It would be a serious encroachment on the prerogative of national parliaments and the rights of the citizens to shape their country's tax policy through elections.

"This constitutes serious encroachment upon China's sovereignty and gross interference in China's internal affairs," Mr. Shen said at a news briefing.

"Then, could this be an excuse to draw our strength up to Coldoire while Torenthi forces make more serious encroachments elsewhere?"