Petitioning restrictions can sometimes result in no decision. This can be good or bad depending on your goals in prosecution. Read more to see some examples that illustrate the distinction.

Section 101 appeals are tough to win at the PTAB, and this case illustrates the challenges facing clients hoping to protect their new ideas aimed at improving social networks.

What to do when an Examiner repeatedly shifts the basis for restriction without ever making the requirement final.

Petitions can be part of an appeal strategy and this Philips case illustrates a prime example.

Restriction requirements under Unity of Invention should not rely on intended use to read out  limitations that fall under a safe harbor of the CFRs.

PTAB Laziness Helps Patentee avoid Prior Art references in Subsequent Proceedings

Foldable toy patent wins with only functional language differentiating the cited art.

Federal Circuit confirms that prior art showing that an action might happen at a claimed instance does not inherently disclose the missing claimed action. 

Learn about fighting back against restrictions by “original presentation.”

BASF and Johnson Matthey spar over whether an exhaust catalyst “effective for” converting NOx is definite.