•Xylitol gum unfair competition case (obtained an order to suspend acts of unfair competition against a competitor who sold xylitol gum by copying the packaging design of the claimant)
•Bulgaris unfair competition case (obtained an order to suspend acts of unfair competition against a competitor who sold yogurt product named Bulgaria after the Bulgaris yogurt became famous)
•Doubleshot trademark case
•Arbitration against German company for violation of non-compete clause
•Trade secret infringement civil and criminal cases against former and current employees who stole the company's manufacturing facility blueprints
•Viagra domain name case (first Korean judgment to recognize sanctions against cybersquatters of domain names)
•Softree unfair competition case (first Korean judgment to recognize infringement by applying the general provisions of the Unfair Competition Act after its introduction)
•Trademark cancellation case for submitting false evidence of use (by exposing the falsity of its evidence, obtained a cancellation judgment against a trademark holder seeking to avoid cancellation)
•Patent infringement case related to the electrode structure of VA mode for liquid crystal panels (case in which a Korean conglomerate sought a ban on the production and sale of liquid crystal televisions)
•Recombinant bovine growth hormone patent case (case seeking to prohibit the production and sale of bovine growth hormone preparations by a large Korean company)
•Patent case related to ITO film for touch panel (case in which a Korean conglomerate sought to prohibit the production and sale of ITO film)
•Patent case related to super absorbent resin (case seeking a ban on the production and sale of super absorbent resins by a large Korean company.)
•Patent case involving neuropathic pain medication (case against several generic pharmaceutical companies seeking to enjoin the production and sale of copycat drugs and claiming damages)
•Patent case involving self-service gasoline dispensers and the card payment method used therein
•Patent case related to blue LEDs
•Patent case related to red phosphor
•Patent case on whitening agent
•Patent case for allergic rhinitis treatment
•Patent case related to the characteristics of copper foil used as a cathode collector for secondary batteries
•Computer program copyright infringement and other cases
•Patent case on electrode structure of susceptor for semiconductor manufacturing
•Seeking damages for copyright infringement against a drama writer who plagiarized a novel.
•Preliminary injunction against copyright infringement for plagiarizing game rules