Apple has told Lodsys to immediately withdraw all notices sent to iOS developers and asserts that it and its developers are undisputedly licensed to the patents in question.
Lodsys has posted a series of blog entries disputing Apple's licensing claims, announcing that they've begun suing app developers, and promising $1000 to each contacted developer if they're wrong about their rights.
Lodsys has amended its complaint against app developers, dropping one developer and adding five including: Rovia, EA, Atari, Square Enix, and Take-Two Interactive.
A Michigan company named ForeSee Results Inc. has filed a declaratory judgment suit against Lodsys' four patents with the U.S. District Court for the Northern District of Illinois.
The Electronic Frontier Foundation has published a statement regarding the Lodsys infringement notices sent to iOS developers for using in-app upgrade buttons.
The Obama Administration has released a study on the problem of patent trolls and offered legislative recommendations and announced executive actions to help combat the issue.