Patrick Dalisay | Senior Consultant

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
Josh Mathew | Software Consultant
Software Consultant Austin

Josh Mathew serves as a consultant and source-code analyst in patent litigation, copyright infringement, and breach-of-contract matters. With a background in mechanical engineering, a minor in computer science, and a data science certificate, he has the ability to simplify complex concepts for non-technical audiences.

LitigationLitigationSource Code Expert
Patent ServicesPatent SpecialtiesIP Consultant
Devan Holley | Software Consultant
Software Consultant Austin

Devan Holley specializes in expert analysis for patent infringement and trade secret cases. She has a CS degree and expertise in programming, cybersecurity, digital forensics, and more. She has contributed to high-profile litigation involving complex technical issues in electronics and digital technologies, including cases before the USITC and various U.S. District Courts.

LitigationLitigationSource Code Expert
Patent ServicesPatent SpecialtiesIP Consultant
Iman Sadeghi - Principal Software & Technology Consultant
Principal Software & Technology Consultant Los Angeles

Award-winning computer scientist and software engineer Dr. Iman Sadeghi specializes in delivering expert reports, declarations, and testimony as well as source code analysis for software litigation. He has been published in prestigious peer-reviewed scientific journals and conferences and brings a wealth of experience from his tenure at tech giants such as Google, Walt Disney Animation Studios, and ILM.

LitigationLitigationTestifying & Consulting Expert
Due DiligenceArea of ExpertiseComputer Graphics
Patent ServicesPatent SpecialtiesSubject Matter Expert
Shahzad Ahmad | Principal Biomedical and Health IT Consultant
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.

LitigationLitigationTestifying & Consulting Expert
Health ITFocus AreaEHR & Biomedical Product Design
Senior Consultant Bay Area

Tan brings over two decades of experience in software engineering, specializing in scalable systems, workflow automation, and backend platforms. He has led major development efforts at Yahoo and other tech companies, and now applies his deep technical expertise to software litigation consulting and expert witness services.

LitigationLitigationSource Code Expert
Anna Mathias | Project Manager, Health IT and Litigation
Director of Project Management Nashville

Anna Mathias is a certified Project Manager with a focus in organizing, supporting, and contributing to work products related to Electronic Health Record (EHR) software quality, regulatory, and patient safety assessments. She is a strong leader and team player with excellent interpersonal and communication skills.

LitigationLitigationExpert Witness Support
Health ITFocus AreaSafety & Quality Assessments