Cloud Computing / Services Expert Witnesses: 5

Ph.D. computer scientist with 24+ years spanning telecommunications, networking, artificial intelligence, smart TV/streaming, and cloud infrastructure. Expert witness in 20+ cases for patent infringement, invalidity, trade secrets, and breach of contract. Designed 3G wireless systems at Nortel, launched Google TV globally with Sony/LG/Intel, and conducted venture capital due diligence on AI and telecom investments.

Why counsel select Dr. Jonyer:

• 25+ court qualifications; deposed 5+ times; testified in court

• 50/50 plaintiff/defense experience with Big Tech cases (Google, Apple, Netflix, Roku, Nokia, Cloudflare, ...)

• Retained by elite law firms: Boies Schiller, Fox Rothschild, Ropes & Gray, Morgan Lewis

• PhD dissertation on AI; published 20+ papers; NSF-funded researcher

Known for translating complex concepts clearly for judges, 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.

Background

•  Academia: Assistant Professor, Oklahoma State University. Taught networking, algorithms, and artificial intelligence. Founded OSU Supercomputing Center. Published 20+ papers. NSF-funded research program.

• Industry: Google: Led Google TV partnerships, device launches. Nortel: Designed 3G PDSN, Open-RP protocol, performance optimizations (+20% speed). Startups: Founded AI/telecom ventures; technical due diligence for Broadcom, PwC, others.

https://sidespingroup.com

Ian Cullimore, PhD, has over 30 years of hands-on Software and Hardware Development experience. He specializes in AI, handheld devices, low power embedded systems, and Internet server technologies.

Background - Dr. Cullimore has held many employment and consulting posts as a software/hardware developer and inventor. He invented the world's first pocket PC which he licensed to Atari as the 'Portfolio'. He is also the co-inventor of the 'Poqet PC', acquired by Fujitsu. Dr. Cullimore is an experienced hi-tech CEO/CTO, yet still very hands-on with respect to architecture and coding. He has many years of experience both in the UK and California (Silicon Valley and LA) in companies ranging from small startups to large corporations, and in building and managing software and hardware teams.

An entrepreneur and start-up and young company specialist, Dr. Cullimore has helped to raise Angel and VC rounds, and has taken startups to exit. He has much experience interfacing with Boards, Investors, and sales/marketing/bizdev groups.

Litigation Support - Dr. Cullimore has a long track record as a Patent and Software / Hardware Expert Witness. His experience includes 37 cases, 27 written Expert Reports, 13 Depositions, and 3 at trial. His services are available to attorneys for both plaintiff and defendant.

Areas of Expertise:

Philip J. Isaak, PE, P.Eng., DCDC, RCDD, SMIEEE, is an expert witness, consultant & trainer in the design, construction, procurement, implementation, commissioning & operations of Information Technology, Telecommunications & Critical Data Center Facilities. 

Mr. Isaak provides clear analysis for complex disputes, incorporating industry standards, best-practices and over 20 years of consulting & training expertise working with clients located in 28 countries and territories across 6 continents. 

In recognition of Mr. Isaak’s professional standing, the Institute of Electrical & Electronic Engineers (IEEE), the world’s largest professional association for advancement of technology, certified him to the grade of Senior Member, a level only 9% of IEEE’s over 400,000 global members hold. Mr. Isaak is also an author of several industry standards published by TIA & ANSI/BICSI, whitepapers published by The Green Grid, and the Data Center Handbook published by John Wiley & Sons.

Expert Witness Services

Areas of Expertise:

View Philip Isaak's Consulting Profile.

Dr. Tal Lavian holds a Ph.D. in Computer Science from UC Berkeley, specializing in network communications. 35+ years as a scientist, educator, and technologist; 20 years researching, studying, and lecturing at UC Berkeley; Industry Fellow and Lecturer at UC Berkeley's College of Engineering.   90+ cases · 60+ depositions · 8+ trial testimonies · 100+ patents supported in IP litigation · 120+ patents as inventor · 60+ pro-se prosecuted · 25+ peer-reviewed publications 

Areas of Expertise:

Telecommunications  - Computer Networks - Network Communications - Internet Protocols (TCP/IP) - VoIP - Streaming Media - Mobile Wireless: Wi-Fi (IEEE 802.11), Bluetooth (IEEE 802.15), cellular, routing and switching (MPLS, BGP, OSPF), network security, streaming media, and network management (SNMP) expert witness. 

• Network Communications: TCP/IP suite, TCP, UDP, IP, Ethernet (IEEE 802.3), SNMP, packet switching, network architecture
• Mobile Wireless: Wi-Fi (IEEE 802.11), Bluetooth (IEEE 802.11), Wireless LAN (WLAN), cellular systems, SMS, mobile devices
• Internet/Cloud: HTTP, web applications, cloud computing, distributed computing
• Routing/Switching: LAN, WAN, VPN, VLAN, LAG, ARP, DHCP, DNS, quality of service (QoS).
• Network Protocols: IPv4, IPv6, RIP, BGP, MPLS, OSPF, multicast
• VoIP/Streaming Media: SIP, RTP, H.323, PSTN, circuit switching, SS7, WebRTC, video/audio conferencing.
• Network Security: Firewalls, VPN, IPSec, SSL/TLS, deep packet inspection, L4-7 switching, NAC
• Network Management: NMS, SNMP, device management, OSS, alarm systems
• Communication Standards: IEEE, IETF, ITU, ISO

Case Experience:

Dr. Lavian has served as an expert in over 90 patent cases involving more than 100 patents. He has provided reports and testimony in U.S. federal district courts, state courts, the USPTO PTAB (IPR, CBM, PGR, ex parte reexamination, interference), the ITC, and international courts. Cases have involved Apple, Google, Facebook (Meta), Microsoft, Amazon, Tesla, Cisco, Juniper Networks, Arista Networks, Ericsson, T-Mobile, Samsung, LinkedIn, Huawei, Netflix, Broadcom, SAP, and others. 

While at UC Berkeley, Dr. Lavian conducted research projects in data centers (RAD Labs), network communication service architecture (SAHARA), and wireless systems (ICEBERG); he also served as an industry fellow and lecturer at the Sutardja Center for Entrepreneurship and Technology (SCET) and as a scientific liaison between Nortel Research Lab and UC Berkeley. Dr. Lavian was also part of UC Berkeley's SkyDeck start-ups, where he worked on technology research and implementation. 

Credentials:

• Inventor of over 120 U.S. patents; over 60 prosecuted pro se
• 20 years UC Berkeley - 10+ years Nortel Research. 
• Over 25 peer-reviewed publications in IEEE and ACM
• Principal Investigator on three DARPA projects
• IEEE Senior Member
• Nortel Networks Principal Scientist

About Dr. Lavian

Dr. Lavian's Website

Dr. Lavian's Expertise

Bruce Weiner is an expert in technology, product development, and software engineering with 37 years of experience applying industry-standard design, testing, and post-deployment evaluation methods to determine whether technology products and features achieve their stated objectives.

Through Weiner.net LLC, he has been retained in 25 matters since 2011 across U.S. District Courts, PTAB, state courts, AAA, and NAA arbitration, and a NYC administrative proceeding. Nine depositions. Three trial and hearing appearances — one AAA arbitration trial, one NAA arbitration trial, and one NYC administrative hearing. Three trials are scheduled in 2026 in federal and state courts. Expert declarations cited by name in Federal Circuit opinion, 986 F.3d 1367. Retained by both plaintiff and defense counsel.

Representative matters span gig-economy platform governance, airline and loyalty-program technology, e-commerce and affiliate systems, banking software, AI-weighted model evaluation, SDLC/PDLC governance, and billing substantiation. Opinions anchored to ISO/IEC 12207, ISO 31000, ISO/IEC 25010, IEEE 730, and ISO/IEC 42001.

Since 2012, progressive technology leadership roles at a large financial services institution, most recently Vice President and Chief Product Owner. Princeton BSE, Magna Cum Laude. ACM and IEEE member. Federal Top Secret Security Clearance — DCSA Tier 5 Investigation (Active).