Are there jurisdictional differences within the United States that affect title and escrow?

Yes. Title insurance is largely a function of state real property law, which varies across the country. While there are some industry stakeholders that dictate national standards (i.e., Fannie Mae, the Consumer Financial Protection Bureau, the American Land Title Association, etc.), those standards often allow for regional differences. For example, state laws may dictate how fees are split between parties, how much a title insurance policy costs, or how much of a title premium a title insurance underwriter may give to the issuing title agent.