b) Threads.com raises Seed round back in Oct, 2018. [2]
c) Meta acquires Meta Threads trademark in Nov, 2021.
d) Threads as a trademark itself has been widely used well before Threads.com. [3]
[1] https://www.crunchbase.com/organization/threads-aa50/company...
[2] https://trademarks.justia.com/878/42/meta-87842532.html
[3] https://trademarks.justia.com/search?q=threads
But D is relevant because of course trademarks are highly specific to a category.
And so Threads (social network) would be considered different to Threads (business chat).
b) Threads.com raises Seed round back in Oct, 2018. [2]
c) Meta acquires Meta Threads trademark in Nov, 2021.
d) Threads as a trademark itself has been widely used well before Threads.com. [3]
[1] https://www.crunchbase.com/organization/threads-aa50/company...
[2] https://trademarks.justia.com/878/42/meta-87842532.html
[3] https://trademarks.justia.com/search?q=threads