If momentum counts for anything in U.S. Supreme Court decision-making, civil litigators and corporate counsel are in for a major victory sometime this month.

The high court is poised, as soon as June 19, to hand down a ruling in Bristol-Myers Squibb v. Superior Court of California, probably the most important of three cases before the court this term dealing with the important issue of jurisdiction: where corporations can be sued, and the extent to which plaintiffs can forum-shop.