Practice Areas
Filing application and prosecution of patent (inbound/outbound)Patent and trademark trial and litigationInfringement analysis / product clearancePatent portfolio counselingTechnical consulting

Profile

Hyejin Lee is a partner patent attorney in charge of AJU KIM CHANG LEE’s Chemicals/Materials/Bio & Pharmaceuticals team and holds 20 years of experience in patent drafting, patent prosecution, patent litigation, patent licensing, and client counseling. Hyejin's technical experience includes, polymer materials, electronic materials, display materials, metals, nano particles, environmental science, and pharmaceutical technology.

Technical Expertise

Semiconductor and display

o Adhesive

o Composite sheet

o LED, BLU, OLED, LCD

o Touch panel,

o Flexible display

o Polarizer

o Film foming

o ACF:Anisotropic Conductive Film

o Semiconductor epoxy molding

o CMP catalyst

o Conductive gasket

o Etching agent

o Quantum dot

Material

o Barrier film

o Graphite sheet

o Fiber enhanced material / forming

o TPE

o Synthesized marble

o Steel panel, bumper beam, INVAR alloy

o Medical material

o Pultrusion

o Fiber / textile

o PC

o ABS, ASA

o PS, HIPS, PET, PMMA

o Polyolefin, Graphene

o EPS, CNT

o FPCB

o Stampable sheet

o High-pressure container

Environment

o Filtering

o Membrane

o Wastewater treatment

Energy

o Solar cell

o Secondary battery (Positive/negative active material, separator, electrolyte)

o Fuel cell

o Biomass fuel

Pharmaceutical, cosmetics, enzymes

Surface treatment (coating, plating, adhesive)

Lubricant

Fertilizer

Food, animal feed

Areas of Practice

Filing application and prosecution of patent (inbound/outbound)

Patent and trademark trial and litigation

Infringement analysis / product clearance

Patent portfolio counseling

Technical consulting