Radostin Pachamanov PhD

Director

Radostin Pachamanov provides expert consulting in intellectual property litigation. He specializes in patent, trade secret, and copyright disputes, bringing a deep academic knowledge and substantial industry experience in telecommunications, along with decades of expertise evaluating diverse software and hardware technologies. His work supports litigation teams through detailed infringement and invalidity analyses, reverse engineering, system testing, and in-depth source code review across languages including Assembly, C/C++, Java, Python, and SQL.

Radostin’s background in telecommunications engineering provides a strong foundation for his litigation consulting. His expertise spans mobile networks (5G, LTE, UMTS, GSM, CDMA, WiFi, WiMAX), fixed broadband, OSS/BSS systems, TV platforms, and technical surveillance equipment. Prior to consulting, he served as a solution architect and account manager at Ericsson, where he led multimillion-dollar integration projects and advised telecom carriers on large-scale network deployments.

Over the course of his career, Radostin has submitted numerous expert declarations in IPR proceedings and consulted in multiple high-stakes cases. His blend of academic depth, industry experience, and litigation expertise allows him to deliver rigorous, technology-grounded analysis that strengthens clients’ positions in complex intellectual property disputes.

Summary of Qualifications

  • Ph.D. in Telecommunications Engineering, Technical University of Sofia, with research on traffic efficiency in mobile networks
  • B.Sc. in Telecommunications Networks, Technical University of Sofia
  • Over a decade of consulting experience in software, hardware, and telecommunications litigation
  • Authored numerous expert declarations and provided deposition testimony in U.S. District Courts, ITC proceedings, and USPTO/PTAB reviews
  • Former Solutions Architect and Account Manager at Ericsson, leading multimillion-dollar telecom integration projects
  • Published researcher in telecommunications and wireless network optimization with multiple peer-reviewed papers
  • Certified in Google Cybersecurity, IEEE Wireless Communications, and trained in mediation and negotiation at Harvard Law School

Areas of Expertise

  • Telecommunications Engineering
    In-depth understanding and extensive experience in mobile and fixed broadband networks (5G, LTE, UMTS, GSM, CDMA, WiFi, WiMAX, IP, vDSL, DSLAM), telecom protocols, and OSS/BSS systems.
  • Intellectual Property Litigation Support
    Skilled in infringement and invalidity analyses, expert declarations, and litigation strategy support in patent, trade secret, and copyright matters.
  • Source Code Analysis
    Hands-on experience reviewing and interpreting code in Assembly, C/C++, Java, Python, SQL, and MATLAB.
  • Reverse Engineering & System Testing
    Proficient in deconstructing hardware and software systems to uncover functionality and technical evidence.
  • Media & Broadcast Platforms
    Knowledge of TV platforms, digital content standards, and secure distribution technologies.
  • Cybersecurity & Technical Surveillance
    Strong understanding of cybersecurity, surveillance systems, and applied security practices.

Litigation Consulting

  • CCC Information Services Inc. v. Tractable Inc. |
    Jurisdiction: U.S. District Court of Northern Illinois
    Case Number: 1:18-cv-07246
    Counsel: Latham Watkins
    Nature of Suit: Trade Secret
    Technology: AI and auto insurance claims technology
  • Oracle America, Inc. v. Hewlett Packard Enterprise Company |
    Jurisdiction: U.S. District Court, Northern District of California
    Case Number: 4:16-cv-01393
    Counsel: Latham Watkins
    Nature of Suit: Trade Secret
  • Dolby Laboratories, Inc. v. Intertrust Technologies Corporation|
    Jurisdiction: U.S. District Court, Northern District of California
    Case Number: 3:19-cv-03371
    Counsel: Quinn Emanuel Urquhart & Sullivan, LLP
    Nature of Suit: Patent
    Technology: DRM and secure content distribution
  • Dali Wireless, Inc. v. John Mezzalingua Associates, LLC |
    Jurisdiction: U.S. District Court, District of Delaware
    Case Number: 1:19-cv-02367
    Counsel: Folio Law Group
    Nature of Suit: Patent
    Technology: Wireless/mobile telecommunications technology
  • Vaporstream, Inc. v. Snap Inc. d/b/a Snapchat, Inc. |
    Jurisdiction: U.S. District Court, Central District of California
    Case Number: 2:17-cv-00220
    Counsel: Susman Godfrey LLP
    Nature of Suit: Patent
    Technology: Ephemeral communications
  • Entrust Datacard Corporation v. Atlantic Zeiser GmbH et al. |
    Jurisdiction: U.S. District Court, Middle District of Florida
    Case Number: 3:17-cv-00110
    Counsel: Briggs & Morgan, PA
    Nature of Suit: Patent
    Technology: Smart card technology and hardware controlling software
  • Oracle USA, Inc. et al. v. Rimini Street, Inc. et al. |
    Jurisdiction: U.S. District Court, District of Nevada
    Case Number: 2:10-cv-00106
    Counsel: Boies Schiller Flexner LLP
    Nature of Suit: Copyright
    Technology: Enterprise software support services and practices
  • Maxell, Ltd. v. ASUSTeK Computer Inc. et al. |
    Jurisdiction: U.S. District Court, Northern District of California
    Case Number: 3:18-cv-01788
    Counsel: Mayer Brown
    Nature of Suit: Patent
    Technology: Digital camera technology and automatic gain control in cell phones
  • The People of the State of New York by Eric T. Schneiderman v. Charter Communications, Inc. et al. |
    Jurisdiction: Supreme Court of the State of New York, County of New York
    Case Number: 450318/2017
    Counsel: Latham & Watkins LLP
    Nature of Suit: Regulatory
    Technology: Internet infrastructure and network capacity testing
  • Rimini Street, Inc. v. Oracle International Corporation |
    Jurisdiction: U.S. District Court, District of Nevada
    Case Number: 2:14-cv-01699
    Counsel: Morgan Lewis & Bockius LLP
    Nature of Suit: Copyright
    Technology: Enterprise software support services and practices
  • Hitachi Maxell, Ltd. v. ZTE Corporation et al. |
    Jurisdiction: U.S. District Court, Eastern District of Texas
    Case Number: 5:16-cv-00179
    Counsel: Mayer Brown
    Nature of Suit: Patent
    Technology: Mobile technology
  • Hitachi Maxell, Ltd. v. Huawei Technologies Co., Ltd. et al. |
    Jurisdiction: U.S. District Court, Eastern District of Texas
    Case Number: 5:16-cv-00178
    Counsel: Mayer Brown
    Nature of Suit: Patent
    Technology: Mobile technology
  • Rovi Guides Inc. et al. v. Comcast Corporation et al. |
    Jurisdiction: U.S. District Court, Eastern District of Texas
    Case Number: 2:16-cv-00321, 2:16-cv-00322
    Counsel: McKool Smith
    Nature of Suit: Patent
    Technology: Digital video recorder technology
  • Motorola Solutions, Inc. v. Hytera Communications Corporation Ltd. |
    United States District Court for the Northern District of Illinois, Eastern Division
    Case Number: 1:17-cv-01973
    Counsel: Kirkland & Ellis LLP
    Nature of Suit: Trade Secret
    Technology: Two-way radio transmissions
  • Uniloc USA, Inc. et al v. Avaya Inc. |
    Jurisdiction: U.S. District Court, Eastern District of Texas
    Case Number: 6:15-cv-01168
    Counsel: Prince Lobel Tye LLP
    Nature of Suit: Patent
    Technology: Conference calling technology
  • Telesocial Inc. v. Orange S.A., et al. |
    Jurisdiction: U.S. District Court, Northern District of California
    Case Number: 3:14-cv-03985
    Counsel: Quinn Emanuel Urquhart & Sullivan, LLP
    Nature of Suit: Trade Secret
    Technology: Social calling app
  • TCL Communication Technology Holdings, Ltd v. Telefonaktienbolaget LM Ericsson et al. |
    Jurisdiction: U.S. District Court, Central District of California
    Case Number: 8:14-cv-00341
    Counsel: McKool Smith
    Nature of Suit: Patent
    Technology: Telecommunications technology
  • Ericsson Inc. et al. v. TCL Communication Technology Holdings Limited et al. |
    Jurisdiction: U.S. District Court, Eastern District of Eastern Texas
    Case Number: 2:15-cv-00011
    Counsel: McKool Smith
    Nature of Suit: Patent
    Technology: Telecommunications technology
  • Ericsson Inc. et al. v. TCL Communication Technology Holdings Limited et al. |
    Jurisdiction: U.S. District Court, Central District of California
    Case Number: 2:15-cv-02370
    Counsel: McKool Smith
    Nature of Suit: Patent
    Technology: Telecommunications technology
  • In the Matter of Certain Wireless Standard Compliant Electronic Devices, Including Communication Devices and Tablet Computers |
    Jurisdiction: U.S. International Trade Commission
    Investigation Number: ITC-337-TA-953
    Counsel: McKool Smith
    Nature of Suit: Patent
  • In the Matter of Certain Electronic Devices, Including Wireless Communication Devices, Computers, Tablet Computers, Digital Media Players, and Cameras |
    Jurisdiction: U.S. International Trade Commission
    Investigation Number: ITC-337-TA-952
    Counsel: McKool Smith
    Nature of Suit: Patent
  • Ericsson Inc. et al. v. Apple Inc. |
    Jurisdiction: U.S. District Court, Eastern District of Texas
    Case Number: 2:15-cv-00287, 2:15-cv-00293
    Counsel: McKool Smith
    Nature of Suit: Patent
    Technology: Data transmission and generation of keys in encrypted or decrypted LTE data
  • Bridgestone Americas Tire Operations, LLC v. Schrader-Bridgeport International, Inc |
    Jurisdiction: U.S. District Court, District of Delaware
    Case Number: 1:13-cv-00763
    Counsel: Wilmer Hale
    Nature of Suit: Patent
    Technology: Automotive embedded systems technology
  • St. Jude Medical Cardiology Division Inc. v. Volcano Corporation |
    Jurisdiction: U.S. District Court, District of Delaware
    Case Number: 1:12-cv-00441
    Counsel: Fish & Richardson
    Nature of Suit: Patent
    Technology: Medical technology
  • Smartflash LLC et al. v. Samsung Electronics Co. Ltd. et al. |
    Jurisdiction: U.S. District Court, Eastern District of Virginia
    Case Number: 6:13-cv-00448
    Counsel: Quinn Emanuel
    Nature of Suit: Patent
    Technology: DRM technology and in-app payment transactions
Download Radostin’s CV

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