Estoppel Will Decide Impact Of PTAB's Anti-Redundancy Push

By Matthew Bultman (May 31, 2019, 8:35 PM EDT) -- With a recent decision rejecting Comcast's challenge to a Rovi patent as redundant, the Patent Trial and Appeal Board has given companies another hurdle to consider when weighing whether to ask for review of a patent. But how courts answer questions about estoppel could determine just how much impact the decision will have.

The PTAB said last week that it would review only one of two challenges Comcast Corp. filed against a Rovi patent covering an interactive TV system. The board said it would be inefficient to institute inter partes review in both cases, given the similarities between the two petitions....

Stay ahead of the curve

In the legal profession, information is the key to success. You have to know what’s happening with clients, competitors, practice areas, and industries. Law360 provides the intelligence you need to remain an expert and beat the competition.

  • Access to case data within articles (numbers, filings, courts, nature of suit, and more.)
  • Access to attached documents such as briefs, petitions, complaints, decisions, motions, etc.
  • Create custom alerts for specific article and case topics and so much more!


Hello! I'm Law360's automated support bot.

How can I help you today?

For example, you can type:
  • I forgot my password
  • I took a free trial but didn't get a verification email
  • How do I sign up for a newsletter?
Ask a question!