PTAB Newsletter

• Published date: 29 December 2022
• Subject Matter: Intellectual Property, Patent
• Law Firm: Arnold & Porter
• Author: Ms Jessica C. Kaiser, Abigail Struthers, Christopher Marando, Elizabeth Long, Atanas Baitchev, Thomas Carr PhD, Alice Ho, Drew Needham and John Sabacinski

In This Issue:

• Q&A with Arnold & Porter PTAB Practitioner Chris Marando
• Q&A with Arnold & Porter PTAB Practitioner Tyler Knox
• Recent PTAB Case Granting a Motion to Amend in an Inter Partes Review: Edwards Lifesciences Corp. v. Cardiovalve Ltd IPR2021-01051
• Recent PTAB Case Regarding Request for Discovery of an Unfiled Draft Reply Declaration Referenced by Petitioner's Declarant During His Deposition: Twitter, Inc. v. Palo Alto Research Center, Inc., IPR2021-01398
• Federal Circuit Nonprecedential Decision: Mandamus Relief Unavailable to Vacate Order Granting Request for Ex Parte Reexamination and to Terminate Proceedings
• Upcoming Events and Speaking Engagements

How would you describe your practice?

My practice focuses on patent disputes before district courts, the ITC and the PTAB. I began practicing in 2011 and have had the opportunity to work on cases involving a variety of technologies' including semiconductors, medical devices, wearable fitness, mobile phone software, speech recognition software and telecommunications.

How long have you been practicing in front of the USPTO and in front of the PTAB?

The first PTAB proceeding I was involved in was filed in 2014. Since that time, I have steadily worked on matters before the PTAB.

Why were you interested in practicing before the PTAB, and how did you get involved in the practice?

Although I planned to focus on patent litigation, I obtained my USPTO registration number early in my career. When PTAB proceedings became available, I was eager to gain experience in that forum. The PTAB is an efficient forum for resolving validity disputes and, due to the audience, provides an opportunity to craft more in-depth arguments than are typically available in a district court setting.

How would you like to grow your practice before the PTAB?

Over the years, I have worked on PTAB matters from petition filing through trial and appeal. I look forward to continuing to work on every aspect of PTAB matters in the future.

What do you enjoy about practicing at Arnold & Porter?

When I joined the firm in May 2022, I could not have been welcomed more warmly. I have since had the opportunity to get to know many of the lawyers over the past several months and can truly say that the team at Arnold & Porter is exceptionally talented, experienced and collegial.

What do you like to do in your spare time?

I enjoy spending my spare time with my wife and our dog. I also am loyal to my hometown sports teams and enjoy watching their games when I have a chance.

How would you describe your practice?

Holistic breadth with growing depth. Prior to joining Arnold & Porter, I examined patents at the...