Patrick Dalisay

Senior Consultant

Patrick Dalisay specializes in litigation consulting through in-depth source code analysis, software architecture evaluation, and technical due diligence. With a background in Computer Science, he has played a key role in high-profile intellectual property disputes involving technologies such as virtual machines, networking protocols, video coding, and e-commerce platforms.

Patrick has supported over a dozen complex IP litigation matters against major tech companies, including Google, Samsung, Microsoft, and Sony. His expertise spans Wi-Fi, 5G, server migration, and encryption technologies, allowing him to uncover critical technical insights in software-related disputes. His ability to conduct source code analysis under protective orders in high-stakes cases reflects his precision, technical depth, and reliability in sensitive legal proceedings.

Summary of Qualifications

B.S. in Computer Science, Minor in Business Foundations from University of Texas at Austin.
Extensive experience in litigation consulting, supporting high-stakes intellectual property and software-related disputes.
Skilled in source code analysis and reverse engineering, providing critical insights for legal teams and business stakeholders.
Experienced in software architecture evaluation for technical due diligence in M&A and IP risk assessments.
Proven ability to translate complex technical concepts into clear, actionable insights for attorneys and executives.

Areas of Expertise

Source Code Analysis & Reverse Engineering
In-depth assessment for IP litigation, breach-of-contract cases, and software audits.
Software Architecture & Systems Evaluation
Analyzing code structure, maintainability, and performance in diverse technology stacks.
Programming Languages
Proficient in Java, C, C++, Python, JavaScript; experience with Verilog, C#, HTML, and Kotlin.
Networking & Systems Analysis
Expertise in Wi-Fi, LTE, 5G, networking protocols, and server migration.
Security & Encryption
Experience with message encryption, document security, and protection technologies.
Video Coding & Processing
Knowledge of compression standards, codec implementations, and multimedia software.
Cloud & DevOps Technologies
Familiar with AWS, GitHub, Travis-CI, and automated testing frameworks.
Operating Systems & Environments
Skilled in Windows, Linux (Ubuntu, Kali Linux), and embedded systems.

Meet More of Our Experts

All Experts

Minh Do

Senior Software Consultant Los Angeles

Minh is a computer scientist, software engineer, and entrepreneur, backed by a robust educational background. Experienced in building and operating scalable, high-availability, distributed infrastructures, and familiar with the latest AI/ML technologies, he is a valuable asset at the intersection of computer science and legal contexts.

Contact

View Profile

Litigation SupportConsulting Expert

I.P. Strategy & AnalysisIP Consultant

Technical Due DiligenceAI/ML, Cloud Systems, Infrastructure

Shahzad Ahmad

Principal Biomedical & Health IT Consultant Chicago

Shahzad Ahmad has a deep background in healthcare IT as a technical project manager and product owner. His 8+ years of experience includes implementation of EHR systems across the nation's top healthcare institutions, owning the SDLC of medical devices, as well as bioengineering research of early detection technologies for debilitating diseases.

EHR Expert
Med Device SDLC

Contact Shahzad

View Profile

Expert WitnessTestifying & Consulting Expert

Litigation SupportTestifying & Consulting Expert

Health I.T.EHR & Biomedical Product Design

Vikas Sharma

Senior Director of Patent Services Austin

Vikas is an IP expert with 16+ years of experience in source code review, patent portfolio analysis, and monetizing client patent portfolios. He leads teams of consultants to perform source code discovery, drafting expert witness reports, creating validity and non-infringement rebuttal reports, and assisting attorneys during technical depositions and trials.

35+ Code Reviews
Validity & Rebuttal Reports

16+ Yrs Patent Work
Leads Large-Scale Code Review

Contact Vikas

View Profile

Litigation SupportSenior Consulting Expert

I.P. Strategy & AnalysisLicensing & Monetization

Chris Mattmann | Chief Data & AI Officer at UCLA

Chris Mattmann PhD

President and Founder, Mattmann.AI Los Angeles

Dr. Chris Mattmann, is an accomplished computer scientist and expert in AI, machine learning, and data science with over 20 years of experience. He has provided expert testimony in major AI and cybersecurity cases, including the Equifax data breach.

View Profile

Expert WitnessSenior Testifying Expert

Litigation SupportSenior Testifying Expert

Jerry Lee Barth

Principal Consultant Spokane

Jerry Lee Barth specializes in source code analysis and technical consulting for litigation involving patents, trade secrets, and software disputes. With a background in computer science and experience across wireless, streaming, and embedded systems, he helps legal teams translate complex technology into clear arguments.

Contact

View Profile

Expert WitnessTestifying Expert

Litigation SupportSource Code Expert

I.P. Strategy & AnalysisAudio/Video & Streaming

William Luk

Regional Director, Northern California Bay Area

William Luk is an entrepreneur, software executive, and developer with over 20 years of experience in network and computer security. William has developed and led product teams to deliver enterprise class firewall, intrusion detection / prevention systems, database security, and data security / privacy solutions at Symantec and several security startups.

20+ Yrs Security & Architecture
Assesses Code, Risk & Scalability

Contact William

View Profile

Expert WitnessTestifying & Consulting Expert

Litigation SupportTestifying & Consulting Expert

Health I.T.Software Engineering & Security

Technical Due DiligenceEmbedded Systems & Security

View All Experts