Justin T. Darrow, Ph.D., is Senior Counsel at Young Basile and a registered patent attorney with extensive experience in patent prosecution, counseling, and litigation support. His practice covers patent preparation and prosecution, including ex parte appeals, reissue applications, and reexamination, as well as client counseling, freedom-to-operate and invalidity opinions, invention mining, portfolio management, joint research and teaming agreements, and litigation support.
Dr. Darrow works across cybersecurity and cryptography, artificial intelligence and machine learning, optical and wireless communications, image processing, and nonlinear and quantum optics.
Before entering patent law, Dr. Darrow spent more than a decade in laser systems research, including high-speed device characterization, terahertz radiation, radar, optical communications, relativistic interactions of picosecond terawatt laser pulses with electron beams and plasmas, defensive mid-infrared countermeasures, turbidity-reducing marine imaging, medicine, and 3D printing.
Dr. Darrow later served as a patent attorney at the Patent Trial and Appeal Board, deciding ex parte appeals of patent applications across all electrical technologies, and as a primary patent examiner in computer security and cryptography at the United States Patent and Trademark Office, where he served career details at the Office of the Solicitor, the Central Reexamination Unit, and the Patent Trial and Appeal Board.
His research background allows him to build rapport with engineering teams, mine inventions from their work, and identify the most valuable and cutting-edge aspects of a client’s technology.
Industry Experience
Government Service
Dr. Darrow served as a patent attorney at the Patent Trial and Appeal Board, deciding ex parte appeals across all electrical technologies, and as a primary patent examiner in computer security and cryptography at the United States Patent and Trademark Office.
Representative Experience
Network and system authentication, public key infrastructures, digital rights management, payment systems, biometrics, zero-knowledge proofs, and cryptanalysis. Symmetric and public key algorithms, post-quantum cryptography, and quantum cryptography. Computer vision, image processing, sensors and displays, video compression, wireless and optical communications, laser systems, semiconductors, and medical devices. The University of Chicago, M.S., Physics
Professional Activities
Member, Institute of Electrical and Electronics Engineers (IEEE) and American Intellectual Property Law Association (AIPLA).
Representative Clients
Dr. Darrow has worked with the following technologies in research, patent prosecution, and litigation support:
- Cybersecurity: system and computer network authentication, including public key infrastructures (PKIs) and virtual private networks (VPNs); digital rights management (DRM), watermarking, copy protection, and usage metering; payment systems, digital certificates, smartcards, and biometrics; zero-knowledge proofs (ZKPs); cryptanalysis and countermeasures; operational technology.
- Cryptography for confidential data storage, data integrity, and data transmission: symmetric key algorithms (DES, AES), public key algorithms (RSA, elliptic curve, NTRU), post-quantum cryptographic algorithms, and quantum cryptography.
- Imaging, sensing, and interface technologies: computer vision; virtual, augmented, and mixed reality; image processing, including haze and turbidity removal, subpixel resolution, object detection, and situational awareness; sensors, displays, and graphical user interfaces; video compression.
- Communications and devices: wireless communications; optical communications, including transmit and receive optical subassemblies (TOSAs and ROSAs) and bidirectional optoelectronic MIMO; laser systems, including nonlinear optical second and third harmonic generation, optical parametric oscillators (OPOs), and short pulse generation and amplification; semiconductors and medical devices.
Professional Activities
- Institute of Electrical and Electronics Engineers (IEEE), Member
- American Intellectual Property Law Association (AIPLA), Member