Software Experts

Expert Witness Consulting for High-Stakes Software Litigation
Technology Strategy for Startups and Corporations

Sidespin Group was founded by Dr. Istvan Jonyer, a scientist, engineer, serial entrepreneur, and investor. Dr. Jonyer has extensive software engineering, research, and management experience in various areas of computer science with leading technology companies. At Google, he was responsible for launching Google TV (later Chromecast) devices with OEMs and SoC vendors like Sony, Samsung, LG, Sharp, Vizio, Logitech, Intel, Marvell, and MediaTek. Earlier, he designed 3G mobile communication systems for Nortel Networks. Dr. Jonyer was also an assistant professor of computer science at OSU, with an NSF-funded machine learning research program. Dr. Jonyer has been a venture capitalist with four funds covering frontier technologies like machine learning, autonomous vehicles, AR/VR, and streaming media delivery.

Dr. Istvan Jonyer

Dr. Istvan Jonyer, CEO

Dr. Jonyer holds a Ph.D. in machine learning from The University of Texas at Arlington, and an MBA from Carnegie Mellon University. He has served as an expert witness in software-related litigation, such as patent disputes, invalidity, trade secret misappropriation, contributory copyright infringement, and breach-of-contract matters, among others.

Expert Witness Services

Sample litigation types we have supported in the past

Patent Infringement

Patent Infringement

Supporting cases in patent infringement, IPR, trade secret misappropriation in State and Federal counts, as well as with with the Patent Trial and Appeal Board (PTAB)

Due Diligence

Trade Secret Misappropriation

We have supported trade secret misappropriation in cases involving software-related trade secrets in machine learning and other areas of expertise

Breach of Contract

Breach of Contract

We have applied our professional expertise in the software industry and established development practices to provide opinions on disputes concerning software development projects

Areas of Expertise

Among others, our team of experts has supported cases in the following expertise areas

machine learning expert

Machine Learning

Artificial Intelligence, Neural Networks, Deep Learning, LLMs, Object Recognition, Genetic Programming, Evolutionary Optimization, Graph-based learning, Network analysis, Clustering, Supervised and Unsupervised learning, Planning algorithms, Expert Systems, etc.

Telecommunications expert witness


Networking, Routing and Switching, Protocols (TCP/IP, L2TP, Open RP, telnet, SMTP), Voice over IP (VoIP), Network management, WiFi, Standards, Mobile Wireless (3G, 4G), Ethernet, Messaging (SMS, MMS, RCS), Network security, etc.

Smart TV & Smart Phone

Smartphones & Smart TV

iOS, Android, Tizen, Google TV, Android TV, Apple TV, Smartphone, smart TV, smartwatches, connected home devices. Car infotainment systems. Internet of Things (IoT), Industrial IoT, etc.

Internet and Web

Internet and Web

Technologies including HTML, JavaScript, along with frameworks like React and Angular. Backend technologies such as NodeJS, Java, and Servlets. Server management with Apache and Tomcat. Scripting languages like PHP, Ruby, and Python. Architectural concepts such as Three-Tier and Client-Server Architecture, etc.


Database Technologies

Relational Databases (SQL), NoSQL Databases. Postgres, MySQL, RDS, Oracle, MondgoDB. Key-value store, Memcached, Redis, DynamoDB, Elasticsearch. Mapreduce, Hadoop, etc.


Camera and Imaging

Imaging systems for hand-held, helmet-mounted, vehicular, satellite, and UAV use. Fixed platform and mobile surveillance applications, high-performance embedded image-processing systems. Retina-like processing algorithms, high resolution, wide dynamic range, etc.

Code review

Source Code Review

Inventory, Source Code Versioning Systems (Git, SVN, Mercurial, etc.), Code analysis, UML diagrams, translating to plain English. Python, PHP, C/C++, Java, Swift, Ruby, Rails, NodeJS, JavaScript, HTML, CSS, etc. Wide IDE support, OS support, and analysis software support (Understand, BeyondCompare, PowerGrep, …), etc. 

Cloud Computing

Cloud Computing

Amazon AWS, Microsoft Azure, Google Cloud. Microservices, Containers, Service-Oriented Architecture (SOA), Kubernetes. Rest, SOAP, SaaS, PaaS, IaaS. Web Apps, Web application firewall (WAF). DNS, etc.

Software Security


Authentication, Authorization, Accounting. Encryption, RSA. Access control, permissions, security vulnerability, security exploits. Security auditing. Open Source Software Security (OSS Security). Network security. Cloud security. Reverse proxy, Firewall, etc.


Some of our clients who have retained our services

Law Firms

Select law firm clients

Recent Insights

Tips for Experts New to Expert Witness Work

Tips for Experts New to Expert Witness Work

Sidespin Group founder and CEO Dr. Istvan Jonyer, was interviewed by the Roundtable Group in their latest podcast episode. Everyone involved in litigation has heard (or experienced) a story or two about an expert witness “rookie mistake” the expert or legal teams...

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The Technology Strategy Paradox: Why Those Who Need Consultants the Most, Realize It the Least

In the rapidly evolving world of technology, it is crucial for businesses to stay ahead of the curve. Companies that fail to adapt and innovate run the risk of being left behind by their competitors. This is where technology strategy consulting can play a pivotal role...

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Sidespin has been a true partner since Day 1 of our building this company. […] We literally couldn’t be here without Istvan’s care, expertise, and guidance along the way. Could not possibly recommend more.”

Vishal Punwani, CEO, SoWork

“Istvan and Sidespin Group have been instrumental to the success of our business. Istvan came on board near the end of a Phase 1 SBIR project and helped us with our technology commercialization plan and go-to-market strategy. I highly recommend Istvan and Sidespin Group to companies that need a quick and in-depth analysis of their market and commercialization plan.”

Dr. Lawrence Holder, CEO, Adaptelligence LLC

“Dr. Jonyer was a great help with our patent infringement case. He quickly understood the task and provided great expertise in the subject matter. He was a confident and articulate witness in deposition. I hope I’ll get to work with him again soon.”

Partner at leading IP litigation firm

“Dr. Jonyer offers a unique combination of technical expertise and business savvy. He provided insights that were timely, professional, and right on the mark. His work directly contributed to our research and commercial success. I highly recommend him and will definitely keep working with him.”

Dr. Diane Cook, Professor, WSU