Not sure what legally needs to be checked, but a quick search on uspto.gov did not return any result of the single word 'rainbow':
http://tmsearch.uspto.gov/bin/showfield?f=toc&state=4805%3A82m03t.1.1&p_search=searchss&p_L=50&BackReference=&p_plural=yes&p_s_PARA1=&p_tagrepl%7E%3A=PARA1%24LD&expr=PARA1+AND+PARA2&p_s_PARA2=rainbow&p_tagrepl%7E%3A=PARA2%24COMB&p_op_ALL=AND&a_default=search&a_search=Submit+Query&a_search=Submit+Query On Sun, May 3, 2020 at 2:00 PM Justin Mclean <jus...@classsoftware.com> wrote: > Hi, > > > We have conducted a name search for 'Rainbow'. We feel that although > there > > are few existing open source projects with this name, they are in a > > different space, hence not necessarily restrict us from using it. > > Did you look at existing trademarks? > > Thanks, > Justin > > --------------------------------------------------------------------- > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org > For additional commands, e-mail: general-h...@incubator.apache.org > >
