Federal Circuit Reverses PTAB Findings of Unpatentability for Google’s ‘Hotword’ Patents

The U.S. Court of Appeals for the Federal Circuit (CAFC) on Tuesday reversed and remanded two Patent Trial and Appeal Board decisions that had found Google’s patents for improvements to “hotword” detection unpatentable. The opinion was authored by CAFC Chief Judge Moore. “Hotwords” are phrases like “Hey Siri” and “OK Computer” that are used to activate voice assistants. Google’s U.S. patents 10,134,398 and 10,593,330 are directed to improvements that “address the problem of triggering multiple devices with a single hotword” by suppressing the reaction in other devices while the intended device reacts.

The AI Arms Race Runs Through the Patent System | IPWatchdog Unleashed

This week on IPWatchdog Unleashed, I spoke with Rama Elluru, a former PTAB Judge turned national security policy advisor. We explore the accelerating intersection of AI, patent law, and national competitiveness, as well as the hard questions policymakers will soon face around AI-assisted inventorship, patent eligibility, drug discovery, scientific research, and whether existing legal frameworks can keep pace with technologies that are advancing far faster than Congress, agencies, and courts typically move. We also address the broader national security implications of intellectual property policy, AI-enabled fraud, workforce disruption, the need for guardrails and meaningful penalties for malicious uses of AI, and why IP must be understood as a core pillar of economic and national security strategy.

Federal Circuit Affirms PTAB Obviousness Rejection of Automated Kitchen System Patent Application

The U.S. Court of Appeals for the Federal Circuit (CAFC) issued a decision today in In re Zhengxu He, affirming a Patent Trial and Appeal Board (PTAB) decision upholding an examiner’s rejection of claims 1-22 of U.S. Patent Application No. 16/997,933 for obviousness. The CAFC exercised jurisdiction under 28 U.S.C. Section 1295(a)(4)(A) and found that substantial evidence supported the Board’s conclusion that the claims would have been obvious based on a combination of two prior art references.

CAFC Reverses EDTX Infringement and Damages Rulings, Upholds Denial of JMOL on Section 101

Last week, the U.S. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision in Ollnova Technologies Ltd. v. ecobee Technologies ULC vacating judgments entered by the Eastern District of Texas and remanding to determine patent-eligibility issues under 35 U.S.C. § 101. The Federal Circuit remanded primarily due to the district court’s erroneous jury instructions regarding the subject matter eligibility test under Alice, and dismissed ecobee’s patentability challenge to Ollnova’s patents directed to building automation systems (BAS) that address technical challenges present in wireless networks.

Patents Don’t Monetize Themselves: Turning Portfolios from Cost Centers into Revenue Assets

Imagine a company spends millions of dollars constructing a new office building in a prime downtown location. The company pays for maintenance, utilities, insurance, landscaping, repairs, security, and taxes. The building is well designed, professionally managed, and expensive to maintain. But it sits empty. No tenants. No leases. No revenue. That would strike most executives as irrational. Yet many companies treat patent portfolios in exactly the same way. They spend millions building and maintaining patent portfolios around the world. But when asked what revenue the portfolio generates, the silence is deafening.

Automating the Patent Process at the USPTO to Save Inventors Money

Have you ever drafted a claim set with a second claim that began, “the system of claim 2, wherein…” when you meant to write “the system of claim 1”? It’s embarrassing because every first-year patent attorney knows that a dependent patent claim cannot depend on itself. However, making the error is inevitable when you draft a large number of patent applications. The good news is, if you upload such a claim to today’s Patent Center (where patent applications are filed), you will be provided with the following alert: “The claims appear to contain an improper dependency with at least one claim that depends on a missing or canceled claim. Please review and revise if necessary”. How beautiful is this? Now you can self-correct before your patent application is even filed. Ten years ago, you would have to go back and forth with a patent examiner to correct the error.

CAFC Rejects Inventor’s Sotera Stipulation Challenge against LG, Affirms Google and Microsoft Win at PTAB

The U.S. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision Friday in Hafeman v. Google LLC affirming Patent Trial and Appeal Board (PTAB) final written decisions (FWDs) invalidating all claims of three related patents owned by inventor Carolyn Hafeman.  The court also dismissed Hafeman’s argument that the inter partes reviews (IPRs) should have been terminated based on the district court’s finding that LG–a real party in interest to the IPRs–violated its Sotera stipulation.

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