Yoon & Yang LLC > Seoul, South Korea > Firm Profile

‘I have collaborated with quite a number of law firms in Korea. Among those law firms, Yoon & Yang LLC stands out in many ways. Their accuracy, depth and quality of legal services are unrivalled with other law firms in Korea. And for sure, even compared with other international law firms, their expertise stands out.’

‘Yoon & Yang’s TMT team, including Keun Woo Lee and Kwang Wook Lee, were always on standby, ready to support us and give help even with scant data. Their abilities lie in that they thoroughly and comprehensively investigate all legal and technical issues in due course and help clients navigate today’s risks.’

‘The Yoon & Yang LLC team is well organised and provides excellent legal services to the client.’

‘I am always satisfied with their legal advice. They provide reliable legal advice, and their response is always speedy.’

‘The team has extensive experience working with international clients on merger and compliance issues. Their team is well established and has good links with regulators.’

‘Paul Rhee knows how to take a proactive approach in serving his clients in South Korea and abroad.’

‘The firm has advised on antitrust matters relating to our investments, joint ventures and business collaborations. As a whole, the firm has impressed me with creative and practical advice on complex issues and a great relationship with the Korea Fair Trade Commission. The team has a deep bench of practitioners, from experienced partners to hard-working associates, as well as former senior officials from the Commission that can give us important insight into the thinking and practice of the Commission.’

‘I work primarily with Paul Rhee, a foreign attorney partner in the firm’s antitrust practice and has decades of antitrust experience. Paul is easy to work with and understands foreign client’s needs. Paul is diligent and extremely responsive. Paul tries to deliver positive results and is an advocate for us.’

‘This law firm has a strong Fair Trade team, which gives practical advice to customers.’

‘Yoon & Yang knows the core of the issues and provides accurate information and alternatives for clients to decide.’

‘During the legal advice process, the most important thing for clients is case law and analogous precedents, and if they are not available, strategies to address them. Despite this, most law firms often only approach and offer opinions from a theoretical perspective. Yoon & Yang LLC offers a realistic alternative for companies to consider, and it’s a good solution.’

‘Compared to other law firms, Yoon & Yang has the capability of intertwining legal reasoning across different precedents and laws. Also, they are skilled in presenting precise, multidisciplinary arguments to the court. They have been very helpful in solving our company’s complicated legal issues and bringing successful outcomes.’

‘Sue Yeon Woo always pays thorough attention to our company’s cases and never misses a detail. I was highly impressed by her ability to present logical, persuasive arguments even in complex, sophisticated cases.’

‘Seung Ryong Yoo, based on in-depth legal knowledge in litigation, provided new and impressive ideas.’

‘Seung Ryong Yoo is always very sincere and professional when he handles clients’ legal problems.’

‘During our long-term relationship, we were surprised by the dedication that lawyers from Yoon & Yang showed to us. Yoon & Yang were so quick in response. Their replies were clear and precise so that we could easily understand the process and the key decisions, which made me think that Yoon & Yang experts are communicative. Moreover, I got the impression that partners and senior advisors from Yoon & Yang know how to foster strong partnerships with clients. That is why our company chose Yoon & Yang as our legal representative and gets advice on major legal issues and problems.’

‘I would like to recommend Sue Yeon Woo, who has helped us a lot in our case. We could see her leadership in her sound judgment and it guided our company to achieve better outcomes. We were surprised to see how she provided high-quality advice to us. Her guidance and recommendations show that she knows how to tackle sophisticated cases in her way, and it makes her more reliable compared to other lawyers.’

‘The team has an understanding of the characteristics of the industry and leads clients with numerous hands-on experience and legal expertise in industry legal issues.’

‘The team, composed of experts in various fields, efficiently solves complex issues for clients. They provide customised legal services tailored to the client’s specific circumstances. Leveraging extensive experience and expertise across diverse industries, they deliver optimal legal solutions.’

‘Chan-Keun Park has the ability to effectively tailor solutions for complex legal issues. Additionally, Seong Hong ensures preparedness for various potential issues that may arise.’

‘Yoon & Yang has been exceptional in managing our legal needs. Their lawyers are not only quick to respond but also provide insightful and practical advice. The firm stands out for its efficiency and the personalised approach it brings to each case, ensuring that its solutions are well-suited to our specific requirements.’

‘The individuals at Yoon & Yang are exceptional for their deep expertise and client-focused approach. One standout is Sihoon Yang, whose remarkable skills and dedication set him apart. Sihoon Yang’s ability to deliver insightful, practical advice while maintaining clear and prompt communication has been invaluable. His keen understanding of complex legal issues and his personalised approach ensure that our needs are met with precision and care. Compared to other law firms and lawyers in Korea, Sihoon Yang and his team excel in providing tailored solutions and proactive support, which significantly enhances the overall our satisfaction.’

‘Tae Hwan Oh is a judge-turned-lawyer who is a great lawyer with both skills and customer friendliness. He is an expert who has won several dispatch law violations.’

‘The team has a deep understanding of the industry and client’s requirements and provides a decent legal opinion within a short period of time.’

‘Lawyers with outstanding qualifications and skills combine organically to produce results.’

‘Helen Sohn has been advising on aviation deals for many years and is well known in the market. She has advised both on inbound financing and leasing for Korean airlines as well as on deals involving Korean investors and banks investing/lending on offshore aviation transactions.’

‘Yoon & Yang has extensive experience and know-how in the banking/finance sector, has high expertise, especially in the financial regulation sector, and shows strength in issues that require consultation with financial authorities. And they have a lot of experience and success stories in responding to financial authorities’ sanctions.’

‘The senior aviation partner is H.K. Helen Sohn, who is very experienced. Helen is a leading practitioner in aviation and very much a go-to for Korean aviation-related advice. She has many years of experience .’

‘The entire team, including associate lawyers, works closely together under the leadership of partners. The teamwork is excellent, and they respond promptly to any inquiries.’

‘The team is experienced in a wide range of banking and finance matters, including asset finance, structured finance and leverage finance. They are an active player and favoured by major banks and borrowers on cross border and domestic transactions.’

‘Based on its expertise specialised in the Korean financial market, Yoon & Yang has solved important bank problems, such as helping smooth communication between the Financial Supervisory Service and banks and actively resolving customer complaints.’

‘Yoon & Yang has a lot of experience in winning various Korean financial market lawsuits. And also rapid and accurate legal feedback is the strength of this law firm.’

‘A strong emphasis on client relationships and innovative approaches that enhance service delivery and client satisfaction. By effectively communicating these strengths and innovations, the practice can attract potential clients looking for a unique and effective partner.’

‘Zunu Lee covered many areas, and if something was needed, then he arranged sources outside.’

‘I highly commend the M&A team for their outstanding expertise, swift execution, and innovative problem-solving. Their deep knowledge and efficiency have consistently met our tight deadlines, while their tailored solutions have significantly enhanced our transactions. I highly recommend their exceptional services.’

‘The individuals stand out due to their exceptional attention to detail and commitment to client success. Partners Ki Man Park and Sangman Kim excel at identifying critical issues and providing optimal business solutions. Their combined expertise, proactive approach, and meticulous attention to detail truly set Yoon & Yang LLC’s M&A team apart from competitors.’

‘Yoon & Yang’s practice distinguishes itself for several compelling reasons that set it apart from others in Korea. Through our collaboration with Yoon & Yang, we have directly benefited from their deep expertise and practical guidance in navigating complex business issues. Attorneys such as Youngkyun Yun and Ki Man Park are particularly recognised for their clear insights and profound understanding of corporate matters, which are pivotal for our making well-informed investment decisions. In comparison to other firms in Korea, Yoon & Yang excels in tailoring personalised solutions and maintaining a proactive approach to meeting client needs. They prioritise teamwork and leverage cutting-edge tools to ensure efficient and effective service delivery.’

‘The team conducts in-depth and thorough due diligence to try not to leave out any matters and provides legal recommendations accordingly.’

‘Ki Man Park is quick to respond to client’s questions and needs and will use all resources possible to provide the most accurate and up-to-date answer.’

‘Yoon & Yang LLC has excellent expertise and a customer-friendly attitude.’

‘The arbitration team is one of the strongest in Korea.’

‘Their collaboration between different field lawyers is very good.’

‘Seung Jae Yeon is an outstanding professional in the insurance regulatory field. He has experience working in FSC, which is the regulatory institution for the insurance industry; hence he has a very deep knowledge of the insurance regulations.’

‘Yoon & Yang have good teams because they are systematic and cooperative among themselves for the clients. Especially, they have professionals for every industrial field, and they give comfort and warmth to the clients by understanding and generosity.’

‘Yoon & Yang IP Group has experts with extensive litigation experience who worked at the Patent Court and the Supreme Court, and also has pharmacist attorneys, providing excellent services in various aspects from a technical and litigation strategy perspective.’

‘Dongju Kwon demonstrated success in their appellate strategy by meticulously formulating and timely submitting briefs, resulting in the dismissal of the trial.’

‘Dong-ju Kwon has shown a deep understanding of the Supreme Court and Patent Court’s organisation, and they were able to grasp detailed information about changes in court organisation ahead of other law firms.’

‘Yoon & Yang has been our legal advisor for various matters such as trade mark infringement. Each team demonstrated their strength in handling high-profile cases by addressing our needs accurately and effectively. We were satisfied with how they resolved the issues. We felt that Yoon & Yang’s experts are trusted advisors in that their team is led by experts who were former judges, former prosecutors, and experienced lawyers and that the team have represented the largest companies with diverse legal issues.’

‘The team has a very high level of understanding of pharmaceutical companies and patents and have good communication with clients. Alternatives provided by accommodating the client’s position and the team’s atmosphere appears to be flexible, and there is good communication between the members, and this seems to lead to good results.’

‘The lawyer who represented our case as a lead counsel, who is a former judge, is outstanding. One of the intellectual property team members, who showed a great performance with ample knowledge, is a lawyer with a degree in pharmacy.’

‘Sam Kim is a star in the Korean arbitration world. He has stand up first chair experience and is analytically razor sharp.’

‘Great team who really know their stuff. Give good practical and technical advice.’

‘David Lee – his in-house experience helps him to understand exactly what the client wants in terms of strategic advice.’

‘Yoon & Yang has many outstanding lawyers in the real estate field, including Seung Ku Hong and Soo Hyeon Park. These lawyers collaborate to provide swift and accurate solutions at all times.’

‘I have entrusted various consultations and litigations related to real estate and construction to attorney Soo Hyeon Park. Park provides swift and accurate responses to any difficult issues. He is diligent and sincere. I receive timely feedback from Mr. Park on related consultations or litigations, even during weekends or late nights.’

‘The real estate group at Yoon & Yang excels in forming the optimal team for each case, ensuring swift and precise responses. Attorneys such as Seung Ku Hong and Soo Hyeon Park are top-tier experts in real estate and construction laws, providing reliable and expert handling of even the most challenging cases.’

‘Yoon & Yang’s real estate group has built a strong track record in the field, enabling them to address a wide range of disputes and issues effectively. Their ability to accurately understand our needs and attentively listen to our concerns is also considered a significant strength.’

‘Soo Hyeon Park is one of the most outstanding lawyers I have encountered. He possesses extensive knowledge of real estate and construction law. He is a diligent lawyer who consistently puts forth his best effort in all his responsibilities.’

‘Yoon & Yang has been doing fantastic jobs for our company. Its lawyers provide excellent comments and they are really fast and quick to respond to our questions.’

‘Young Woo Park is one of the most bright and excellent lawyers in South Korea that I have ever worked with. I feel that he has in-depth knowledge of real estate-related finance matters that financial industries have handled as creditors. In addition, I individually praise that Young Woo Park continues constant communication with our company on a 24/7 basis.’

‘An organisation comprised of top experts.’

‘We received exceptional assistance from the experts at Yoon & Yang’s Tax Group regarding the complex legal interpretation of the zero rate of value-added tax. The team’s lawyers, accountants, tax accountants, and consultants excelled in their respective roles to provide top-notch service. Professionals with experience in organisations such as the National Tax Service effectively shared their expertise and insights.’

‘In a case where everyone said they would lose, they led the case to victory with their own logic and expertise.’

‘Through collaboration between attorneys with specialised tax knowledge, Yoon & Yang identifies our company’s risks in advance, discusses them with us, and suggests alternatives, enabling us to accurately recognise and respond to our company’s situation when undergoing a tax audit.’

‘Yoon & Yang truly offers a one-stop service for tax-relevant issues in Korea. From general tax advice to tax disputes and subsequent litigation, the tax team offers flawless service to its clients. What’s unique about the tax practice would definitely be its diverse expert groups specialised in various aspects of often complicated tax matters.’

‘Yong Taek Kim has a never settling mindset to bring a favourable outcome for clients.’

‘Seung Soon Lim is a true expert in Korean tax law.’ 

‘Yoon & Yang has derived tax-saving measures for companies based on its professional knowledge in the accounting and tax field and has greatly helped in recovering funds. Compared to other companies, Yoon & Yang has provided specialised and detailed information about clients’ requirements. I was impressed by the fact that they prepared and provided feedback and guided with sincerity and passion, and by reviewing laws and tax law revisions in various fields, they presented the direction in which the company should improve in the future and reviewed recent precedents.’

‘I am deeply impressed by the outstanding expertise and exceptional service provided by Yoon & Yang Tax Group. Their lawyers, accountants, tax accountants, and consultants work seamlessly together to effectively resolve complex tax issues.’

‘The partners are approachable when a particular pending issue occurs for the project.’

‘Very responsive to our requests. Even sudden requests from us.’

‘They were dedicated to listening to the client’s voice and trying to solve the issue with their expertise, professional skills and knowledge.’

‘David Lee is sincere, honest and hard-working. David will go out of his way to get the work done and knows what the client needs/wants.’

‘Dedication, flexibility and deep knowledge of the relevant industry and industry players.’

‘Dae Sagong stands out due to his outstanding dedication, shown by his never disappointing responsiveness, flexibility and proactiveness, in addition to his ability to deliver advice in a concise and clear way in a very time-efficient manner.’

‘I believe that Elayne Heeseung Sung is one of the few lawyers capable of providing top-level legal advice in shipping financing in Korea. Her comprehensive advice from various angles instils confidence.’