[electricmonk]

IANYL.

Threads owns one for THREADS: https://tsdr.uspto.gov/#caseNumber=87522273&caseType=SERIAL_...

It covers (in Class 42): "Platform as a service (PAAS) featuring computer software platforms for use in project management and collaboration for the technology and media industries that allows organizations and users to create, upload, share, discuss, store, and search content meant for users of the platform; none of the foregoing specifically targeting decision support among healthcare professionals and facilities"