Patent Law Practice Center

Reissue & Reexam Live Blog: Ethical Considerations

The last panel of the day – Ethical Considerations in Reissues and Reexaminations. The panel includes Gerald Murphy, Jr., Partner at Birch Stewart Kolasch & Birch and Practice Center Contributor, and Barbara Mullin of Akin Gump Strauss Hauer & Feld.  Here are some highlights from the panel:

• Reissue and Reexam overlap where the error is overly broad claiming in view of prior art.  If patentee becomes aware of prior art that does not invalidate the claims but does raise a substantial new question of patentability and there are no other errors in the patent that render it wholly or partly inoperative or invalid, only option is ex parte reexam.  If patentee can identify another error in addition to new prior art, Reissue becomes available. 
• Both Reissue and Reexam can give rise to charges of inequitable conduct.
• Patents being reissued and reexamined may present unique issues because: they are often very important, the amount of available “information” potentially material to patentability might be much greater than the information available during the original prosecution, and/or parallel litigation is not unusual. (more…)