About Us


Managing Shareholders from left to right: William Hsu, Jerry Hahn and Ed Spring.

Oseran Hahn P.S. is located in Bellevue, Washington. Founded in 1965, as a Seattle partnership between Melville Oseran and Jerry Hahn, Oseran Hahn P.S. has been pronounced a Martindale-Hubbell AV rated firm. Our loyal clients range from individuals to large corporations, and over the years our clientele has continued to grow as a result of the diverse legal services we offer and our long-standing reputation of excellence. The focus of our attorneys’ practice areas includes but is not limited to: major real estate transactions, corporate mergers and acquisitions, complex litigation matters, difficult estate planning issues and personal injury claims.

Our Mission is to provide legal services with a commitment to excellence. Here at Oseran Hahn P.S. we value integrity, efficiency, and productivity. Our platform is founded on high-level of care and attention to detail, while priding ourselves in being “deal makers”, not “deal breakers”. Our Oseran Hahn team is solution-driven and we ensure that our clientele receives professional and reliable collaboration within all aspects of our firm.