1950-1959
  • The firm’s clientele expands rapidly with the post-war reconstruction, and several new lawyers are hired.
  • Henrik Castrén leaves the firm in 1957, and Heikki Borenius Jr. takes over his partnership. The firm's name is changed to Attorneys-at-Law Borenius & Borenius.
  • The Finnish Bar Association invites Heikki Borenius Sr. to become an honorary member when the Act on Advocates is passed in 1958.