Computer Software Intellectual Property Expert Witness Istvan Jonyer

Telecommunications, networking, data communications, mobile networking, and networking protocols expert.  A Ph.D. computer scientist with over 24 years of experience. He designed 3G wireless infrastructure at Nortel Networks, launched Google TV globally with OEM partners (involving content delivery networks, streaming protocols, and device integration), and conducted extensive due diligence on telecom and wireless investments as a venture capitalist. His expertise spans mobile protocols, Wi-Fi, Bluetooth, 3G/4G/5G, TCP/IP, routing, CDNs, ad-hoc networks, and distributed systems.

As a testifying expert witness, Dr. Jonyer has opined in U.S. District Court, ITC, PTAB, arbitration, and state courts on patent infringement, invalidity, breach of contract, trade secret misappropriation, and copyright infringement. Retained in cases involving Google, Apple, Netflix, Roku, Nokia, and Cloudflare, he has provided deposition and trial testimony, authored expert reports, and is known for translating complex networking and telecom concepts into clear explanations for courts, juries, and counsel.

Areas of Expertise

• Networking and Telecommunications: Wireless communication, mobile networks, Wi-Fi, Bluetooth, 3G, 4G, 5G, ad-hoc networks, TCP/IP, routing, content delivery networks (CDN), packet switching, distributed systems.
• Smart TV and Streaming: Google TV (Chromecast predecessor), Android TV, Roku, content delivery, UX integration, OEM partnerships (Sony, LG, Vizio).
• Artificial Intelligence: Neural networks, deep learning, graph mining, clustering, supervised learning, reinforcement learning, GANs, generative AI, accelerators—applied to telecom and network optimization.
• Software Analysis: Computer architecture, cloud computing, web applications, internet computing.

Expert Witness Experience

• Proven in 20+ cases, Dr. Jonyer opines on patent infringement, invalidity, IPRs, trade secrets, breach of contract, involving giants like Google, Apple, Meta, Netflix, Nokia.
• Deposed 5+ times; testified in USDC (NH, MN, CA, TX), PTAB, intl. arbitration.
• Works plaintiff/defense with law firms like Ropes & Gray, Fox Rothschild, Boies Schiller.