With more than 24 years of experience in US IP laws and over four years of experience in Korean patent law, Heungsoo is skilled in taking challenging patents that are languishing at the USPTO and getting them allowed quickly. Heungsoo excels in succeeding where other IP lawyers have failed. One of his clients, who benefited from Heungsoo’s skills, said: “Client invention + Heungsoo = Patent.”
Heungsoo was named among best lawyers by “The Best Lawyers in America” (One to Watch category) in 2021 – 2025.
His practice is focused on strategic patent procurement with a strong emphasis on strategic claim drafting for quick allowance (frequently combined with faster track examination) and USPTO examiner interviews, building and managing a complex patent portfolio (domestic and international), appeals to the PTAB, Ex Parte reexamination, broadening reissue, landscape analysis, due diligence, opinions, non-infringement and invalidity analysis, position paper, and sending and responding to cease and desist letters. Heungsoo has extensive international practice, including Asia and Europe. He regularly visits Korea and gives presentations regarding U.S. intellectual property matters. Heungsoo also has experience in reviewing and revising IP agreements such as non-disclosure agreements, consulting agreements, manufacturing agreements, supply agreements, joint development agreements, software development agreements and licensing agreements.
He also has experience in filing and prosecuting trademark applications and preparing and/or reviewing trademark license agreements.
Heungsoo also coordinated managing multiple state court litigations relating to breach of contract and copyright infringement involving consumer electrical devices and computer software.
He currently represents clients ranging from Fortune 500 companies to start-up companies (he is currently working with many startups). He has experience and knowledge in a wide range of technologies including: electrical, telecommunication, computer (hardware/software), semiconductor and medical devices. Specifically, Heungsoo has experience in variety of technologies including (but not limited to):
Artificial intelligence (AI) (machine learning/deep learning/generative AI) – see below various AI technologies
Various medical device and related technologies
Medical image analysis using AI
AI based health management system
AI based virtual medical assistant
Robotic surgery system
Cryo-anesthesia device
Glucose monitoring technology
Electrotherapy system
Needleless syringe using pyrotechnic mechanism
Smart braille devices for the visually impaired
Vibratory nerve exciter
Tracheostomy tube
Humidifier for use in respiratory care, acute care surgery and the treatment of obstructive sleep apnea.
Catheter
Wearable device such as smart watch
Spinal nerve ablation technology
Ultrasound image processing system
AI based ultrasound image processing system
Automotive
Electrical vehicle
Autonomous driving technology
AI based pedestrian-to-vehicle collision avoidance system
Electric power steering system for vehicles
Advanced driver assistance system (ADAS)
Vehicle suspension system
Various computer software technologies
User-participating-type AI training service using generative AI
Computer based personalized delivery of various content including audio and video files
Data/image processing using AI
AI based data analytical processing
On-line education system
Natural language response technology
Distributed software-defined network (DSDN)
Wireless and telecommunication technologies
Wireless power charging system
Wireless power overvoltage protection circuit
Bluetooth
Wireless LAN
Satellite communication system
Push-to-talk based radio frequency communication system
Wireless high-definition video system
Energy storage devices
Capacitor
Secondary battery
Fuel cell
Solar cell
Display technology
Augmented reality (AR) and Virtual reality (VR)
Plasma panel display
Liquid Crystal Display (LCD)
Organic Light Emitting Diode (OLED) display
Quantum dots display
Stereoscopic display
Digital/Internet TV
Data storage system
Solid state drive (SSD)
Magnetic storage device
Optical storage device such as CD/DVD
Semiconductor manufacturing
Thin film deposition technology such as atomic layer deposition
Substrate inspection system
Sensing system
LIDAR (light detection and ranging) system
Gesture recognition system
Pressure sensor array
Piezoelectric sensor
Other electrical and computer technologies
Quantum computation technology
Internet of Things (IoT) system
Multi-function peripheral device
Electronic payment system based on barcode
Various electrical components
PWM amplifier systems.
Exercise/workout guide system
Tamper-resistant datalink (drone) communication system
Razor (shaving device) technology
Prior to joining the firm, Heungsoo worked as a Korean Patent Attorney in one of the largest Korean IP firms for over four years, where he prosecuted numerous patent applications relating to the digital media, signal processing and consumer electronics for the largest Korean technology company. He was also the chief of an electrical patent department of the Korean firm where he handled various fields of technologies including electrical, computer, software, Internet, data processing, computer networks, telecommunications, and business method patents.
Below are Heungsoo’s selected accomplishments that helped patent owners/practicing entities:
Assisted with building a large patent portfolio for world’s largest flat panel display manufacturer and the world leader in secondary battery technology
Lead U.S. counsel for the world-leading research institute in the world’s most cutting-edge industry
Assisted a medical device company regarding comprehensive landscape analysis for strategic acquisition in spinal nerve ablation technology
Assisted a world leading healthcare company in non-infringement/invalidity analysis of competitor’s patent
Assisting a world class energy storage device manufacturer in building U.S. patent portfolio
Assisting a large medical device company in building U.S. patent portfolio
Assisting multiple start-ups and small sized companies in building U.S. and worldwide IP portfolios
Yonsei University – Graduate School of Engineering, M.E., Electrical Engineering
Seoul National University, B.S., Atmospheric Science, Substantive study in physics and general engineering; Three consecutive scholarships for academic excellence
University of San Diego School of Law (USD), J.D.
Intellectual Property High Court of Korea
Korean Intellectual Property Office
State Bar of California
U.S. Patent and Trademark Office
Chemical, Industrial & Materials
Automation & Robotics
Electrical
Fuel Cells & Batteries
Semiconductors
Communications Technology
Cellular Networking & Communications
Fiber Optic Networks
Internet Telephony
Low-Power Networks
Radio
Television
Videoconferencing
Wireless Local Area Networks
Electrical, Semiconductor & Computer Technology
Electronics & Semiconductors
Healthcare Information Technology
Software & IT
Energy
Clean Technology
Energy Efficient Technologies
Solar Power
Waste Mitigation & Treatment
Financial Services & Business Methods
Blockchain & Smart Contracts
Cloud Computing
Medical Devices & Procedures
Ablation Technology
Glucose Monitoring & Insulin Infusion
Imaging
Medical Informatics & Software Systems
Minimally Invasive & Endoscopic Procedures
Neurology
Oncology
Ophthalmology & Eye Care
Robotics
Surgical Equipment
Brand Search
Copyright
Design Patents
Due Diligence
Global Portfolio Management
IP Strategy
IP Transactions, Agreements & Venture Capital
Patent Strategy & Prosecution
Patentability
Registration
Trademark & Brand Protection
Trademark Registration
U.S. Patent Prosecution
- Named among best lawyers by “The Best Lawyers in America” (One to Watch category) in 2021 – 2025
- San Diego IP Lawyers Association (SDIPLA)
- Asian Patent Attorneys Association (APAA)
- Pan Asian Lawyers Association – San Diego (PAL-SD)
- Korean American Bar Association – San Diego (KABA-SD)
- Seoul National University Alumni Association (SNUAA), San Diego (SNUAA-SD), Former President and Board of Director
- TIE South Coast, Charter Member
