https://www.google.com/search?num=10...regis tration
https://www.uspto.gov/trademark/trad...cess-timelines
Assuming you want to file in the US Patent and Trademark Office
Trademarks are not a DIY task for most people. We had to defend the .CAM trademark filing CAM was also a trademark filed by a bank in Spain -- our trademark was granted in the end but our lawyers did the work.
URS
Rights Protection Mechanisms for New Top-Level Domains (TLDs)
https://newgtlds.icann.org/en/applicants/urs
URS replaces UDRP for all new gTLDs
The arbitration fees are less than $1,000 that is what I have been told.
The time to prevent your trademarked name from being registered in the new gTLD registration was when that registry had its sunrise period. See:
www.trademark-clearinghouse.com