Some examiners will try to defend improper interpretations in the most strange ways. Read about a recent case in the biotech arts.

Failing to give sufficient structure in the specification for certain claim elements leads to invalidity even though novelty and inventiveness are established.

See an example where the PTAB confirms the examiner fell victim to improper hindsight.

Spot the red flag where the argument you want to make (because it is the strongest) does not match the claim language.

Mutual exclusivity is commonly alleged, but rarely present, in restricted claims.

Read about a Board case where the meaning of “defining” determines the proper BRI claim interpretation.

Learn some patent drafting tips to help reduce design choice rejections.

Functionality of printed matter and the application to instructions.

Proper interpretations are not necessarily the goal of some PTAB judges as Apple learns the hard way.

Is “predetermined” definite in patent claims? While recommended by do-it-yourself books, the USPTO will make their own determination based on the facts of the case.