Your closest IP partner for growing businesses Protecting technology, brands, and every intangible asset your company owns.

Handled personally by the managing attorney · ZERO-HANDOFF system
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Applications filed & handled
+
Client retention
0%
LG Energy Solution · Hyundai Motor & more
0majorsserved as dedicated counsel
Patent trials & litigation
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Woong Oh Managing Patent Attorney
Practice Areas
Mechanical Engineering Batteries / Renewable Energy Automotive / Mobility AI · Software Patent Trials · Litigation Government Programs · IP Advisory
Experience
  • NowManaging Attorney, OREUM Patent Law Firm
  • PrevDeputy Managing Attorney, Daesung Patent Law Firm
  • PrevKwangjang Lee&Ko IP
  • PrevTaepyungyang (Pacific) IP
  • PrevMuhan IP
Education
  • B.S. in Mechanical & Aerospace Engineering, Seoul National University
Appointments & Activities
  • ·Examination reviewer, Korean Patent Attorney Qualifying Exam
  • ·Member, Korea Patent Attorneys Association (KPAA)
  • ·Screening committee, Korea Institute of Startup & Entrepreneurship Development
  • ·Review committee, NEP (New Excellent Product) Certification
  • ·Advisory committee, Gwanak SME Promotion Agency
  • ·Evaluation committee, Public Procurement Service
  • ·Evaluation committee, Seoul Business Agency R&D Center
Woong Oh, Managing Patent Attorney
OREUM Patent Law Firm

Practice Areas

From pre-filing strategy to post-registration disputes — we turn technology into enforceable rights.

Patents and utility models
Patents / Utility Models
Specialized in machinery, IT, AI, batteries, renewable energy, and mobility. From technical analysis to optimal claim design for truly defensible rights.
Machinery Batteries AI · SW Mobility
Patents / Utility Models
Trademarks and designs
Trademarks / Designs
From Korean trademark filings to Madrid international registrations. Complete legal protection for brand assets, plus design rights for product appearance.
KR Trademarks Madrid System Design Rights
Trademarks / Designs
IP strategy consulting
IP Strategy Consulting
From R&D direction to commercialization portfolios — tailored IP roadmaps and Korean government funding programs for growing companies.
IP Strategy Portfolio Gov. Programs
IP Consulting
International filings
International Filings
PCT applications and direct filings in the US, Europe, China, and Japan — plus inbound Korean filings for international applicants, on the optimal route for your market plans.
PCT US / EU Korea Inbound
International
Trials and litigation
Trials / Litigation
In patent, trademark, and design disputes, we diagnose risk from the earliest stage through technical analysis and strategy — and drive outcomes in your favor.
Invalidation Infringement Risk Review
Trials / Litigation
See all services in detail

WHY OREUM?

What makes
OREUM different?

Our clients choose us for clear reasons.

Talk to the Managing Attorney
Direct attorney handling
POINT 01

One attorney,
start to finish

Consultation, specification drafting, office action responses, registration — every step is performed personally by the managing attorney under our ZERO-HANDOFF system. No quality loss or communication cost from cases changing hands.

Zero risk of staff turnover on your case
The person who knows the whole case sees it through
Fast feedback, consistent strategy
Specification quality
POINT 02

Specification quality forged
on major-corporation work

Years of representing LG Energy Solution, Hyundai Motor, and other major corporations at large Korean IP firms — the same standard now applied to startups and individual inventors.

Large-firm working processes
437+ applications filed and handled
Claim design that maximizes the scope of protection
Sensible cost design
POINT 03

Sensible planning
for your growth stage

The tighter the budget, the more strategy matters. We prioritize the rights your business needs now, build in stages, and reduce the burden through Korean government support programs and certifications.

Filing strategy tailored to your business stage
Advisory linked to government programs and certifications
Transparent quotes with no unnecessary costs

OREUM ONE STOP

The OREUM One-Stop Filing Package

Accelerated registration — we file the application and request expedited examination at the same time, cutting more than a year off the standard examination queue.

Standard filing
16+ months
Over a year of waiting just for examination to begin
OREUM One-Stop Package
8 months
Average time to registration, expedited examination included
Free consultation
Prior art search
Filing + expedited examination
Office action response
Registration

* Time to registration varies by technical field and examination progress.

How We Work

The attorney stays with you from consultation to registration

01
Free initial consultation
We review your invention and assess registrability. Phone, email, and video calls all welcome — in English.
02
Prior art search
In-depth analysis to maximize registrability and the scope of protection.
03
Specification drafting
Optimal claim design for your technology and complete filing documents.
04
Filing
Korean IP Office filing or PCT international application, with real-time status updates.
05
Examination & registration
From office action responses to final registration — responsible to the end.

Contact

The first consultation is free

Phone
+82-10-4050-5957 (Woong Oh, Patent Attorney)
Email
woh@oreumip.com
One-stop representation for Korean & international filings
Startups, universities, and research institutes
Big-firm quality at sensible cost
Tailored quote after the initial consultation

Serving clients worldwide. OREUM Patent Law Firm is located in Gangnam, Seoul, and works with international clients entirely by email and video call. We represent overseas companies and inventors seeking patent, trademark, and design protection in Korea, and support Korean applicants expanding abroad through PCT and direct filings in the US, Europe, China, and Japan. All correspondence is available in English.

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