I heard elements of this case back when I was in Israel this past December. I wish I understood more—whether or not Friedlander gave up the rights to Hadassah and made it public domain back in the 1950s or not, how long does copyright extend? Beyond the law, to what extend did or should Tvika Rosenberg owe Friedlander or his heirs, regardless? In any event, a Jerusalem court ruled last week that Friedlander's granddaughter owns the rights, and that Masterfont, Rosenberg's company, owes. Here are the details from Ha-aretz.
… In 2009, Hannah Tal filed a NIS 4.5 million copyright infringement suit against the Israeli company Masterfont for selling the popular typeface created by her father, Henri Friedlaender, for many years without her consent. Ayala Tal, Hannah Tal's daughter and Friedlaender's granddaughter, works at Haaretz as a graphic artist…. [more]