In an opinion today, Judge Furman certified for interlocutory appeal a question about calculating economic losses in the GM ignition switch litigation (covered here).  One reason for doing so, he ruled, was that in the context of an MDL, where there are powerful pressures to settle, these sorts of questions would never otherwise be the subject of a final judgment that would be heard in an ordinary appeal:
Continue Reading Judge Furman: Interlocutory Appeals More Appropriate In MDL Context, Where Cases Are More Commonly Settled, Precluding Ordinary Appellate Review