The valuation of an ownership interest in a law firm can be challenging because it will often include significant unknowns as of the valuation date. The existence of uncertainty is not a justification for assigning no value to such assets. The author discusses LeVine v. Platzer, which involves the valuation of a law firm’s intangible assets under New York’s Partnership Law Statute. According to the United States Small Business Administration, nearly half of small law firms will break up. Those breakups are typically driven by economics or personalities. Either way, somebody needs to determine the value of the firm’s assets…