A cross-border battle of the Bosas is underway in B.C. and Washington state courts over the respective branding of two well-known West Coast real estate developers.

Bosa Development Corp., which is based out of Brentwood-area offices in Burnaby and has built multiple buildings in the city, has filed suit against Bosa Properties Inc. on both sides of the border following the latter’s entry into the U.S. market at least two years ago.

Nat Bosa founded Bosa Development in 1986, while brother and former business partner Robert Bosa founded what would become Bosa Properties in 1991. Robert’s son Colin Bosa now serves as CEO of Bosa Properties and Nat’s son Ryan Bosa has served as president of Bosa Development since 2017.

Both firms have pursued real estate developments in B.C. for decades using the same family name. 

But tensions arose in 2020 when, according to allegations made in a lawsuit filed Thursday by Bosa Development, the Nat Bosa-founded firm discovered the Robert Bosa-founded firm had launched operations in the Seattle area and was pursuing business under the banner of a Bosa Family Company.

Nat Bosa’s Bosa Development has been operating in the U.S. since the late 1980s and specifically in Washington state since the early 2010s.

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