This rumor consists of two parts – the first part is coming from RetroCamera who recently reported that Zeiss will bring back to life the Biotar 1.5/75 lens:
“When I was in Denmark, a photographer in Ribe told me that I had a very nice (and long) conversation, that Zeiss would like to move in this direction. Supposedly – and now comes the blast! – the Biotar 1.5/75 is to be produced again!”
The second part comes from a LeicaRumors reader who found a recent (April 2017) trademark registration for the name Biotar (the Biotar logo above was taken from the actual documents submitted for the trademark):
