ONE Law Partners' TIF Team represented a patent holder in patent invalidation proceedings initiated by a major online platform company concerning a mobile phone case patent. The team successfully defended four of the patent's five claims against invalidation, preserving key technical features of the patented invention.1. Case OverviewThe c...

Case OverviewThis case arose from a long-running dispute concerning congregant status and governance rights following the integration of religious organizations. A religious foundation holding legal title to a religious organization's building filed claims against congregants seeking delivery of the building and restitution of unjust enrichmen...

One Law Partners, LLC represented a taxpayer who had been denied the one-household, one-home capital gains tax exemption and assessed approximately KRW 280 million in capital gains tax. Through a Tax Tribunal appeal, the firm successfully obtained an ex officio revocation of the assessment by the tax authority, thereby eliminating the client's...

One Law Partners, LLC represented the plaintiffs in a civil dispute concerning the payment of settlement amounts derived from rental income generated by jointly owned real estate and successfully overturned a first-instance judgment that had dismissed all claims, obtaining an appellate judgment ordering the defendant to pay principal and interest ...

One Law Partners, LLC represented a real estate development company that became subject to a joint local tax audit conducted by local authorities and successfully obtained a determination that the company was not subject to the heavy acquisition tax regime applicable to corporations in large metropolitan areas. The firm further secured the complet...

One Law Partners, LLC represented a public institution in a lawsuit brought by a former executive seeking confirmation of invalid dismissal and payment of remuneration, alleging that the institution’s notice terminating his duties following the expiration of his term constituted an unlawful dismissal. By demonstrating that the executive&rsqu...

One Law Partners, LLC represented a client seeking a partial refund of acquisition tax following the amendment of a land interest sale agreement. Before the Tax Tribunal, the firm successfully established the invalidity of the original agreement and the applicability of the acquisition value under the amended agreement, resulting in a decision can...

One Law Partners, LLC represented the project owner in a dispute arising from the termination of an interior construction contract and the settlement of construction costs relating to the renovation of a corporate headquarters building. The firm successfully established the contractor’s contractual breaches, secured a judgment ordering the r...

One Law Partners, LLC represented a public agency acting as the project implementer as an intervenor supporting the defendant in an administrative lawsuit challenging an expropriation adjudication in an urban development project and successfully defended against allegations that the adjudication was unlawful due to failure to satisfy the negotiate...

One Law Partners, LLC represented a local government in an administrative lawsuit brought by five affiliates of a major corporate group seeking the cancellation of acquisition tax and related assessments imposed in connection with the expansion of a research facility.The case involved legal issues concerning ownership of the expanded portions of t...

One Law Partners, LLC represented a local government in a lawsuit filed by the president of a public institution seeking revocation of a suspension-from-duty order and successfully obtained a judgment dismissing all of the plaintiff’s claims after establishing both the procedural and substantive legality of the suspension.1. Overview of the ...

One Law Partners, LLC represented the defendants in litigation involving confirmation of nonexistence of debt and claims for restitution of unjust enrichment arising from a lending relationship, successfully defending against the plaintiff’s claims for the return of funds in their entirety and obtaining a favorable judgment through a counter...