"Reexamination" refers to the act of examining or reviewing something again. It involves taking a second look at something in order to gain a better understanding or to check for errors or faults. Full definition
After the PTAB instituted review, all claims were cancelled by the PTAB after Signal IP filed a request for reexamination of the claims in another proceeding. (brookskushman.com)
EFF filed the request for reexamination in conjunction with Theodore C. McCullough of the Lemaire Patent Law Firm and with the help of students at the Glushko - Samuelson Intellectual Property Clinic at American University's Washington College of Law. (eff.org)
For example, the Court noted that in ex parte reexamination proceedings, the USPTO Director can select which claims to reexamine. (brookskushman.com)