What are some signs that a therapist may have poor boundaries with their clients?

Sense of competition with persons who are important in the client’s life.

Off the top of my ancient head:

Obsessing about clients outside of work hours.

At what point does trespassing become self defense? What are the necessary conditions for this line to be crossed from trespassing to self defense?

Routinely going over the time limit with certain patients, compromising the time for the next client.

Failing to mention the client in supervision/consultation, out of fear the supervisor/consultant will advise return to ordinary healthy boundaries.

Disclosing feelings, fantasies, and experiences to the client in ways not related to the work the client is engaged in.

Nintendo Warns Switch 2 Owners Not to Remove Protective Screen Film - CNET

Serious disappointment when the client cancels a session.

Session-expressed curiosities about client details not relevant to the therapy.

Struggling with fantasies of deeper connections with clients, whether sexual or parental or other intense or intimate relationships beyond psychotherapy.

mRNA, once lauded as a scientific marvel, is now a government target - statnews.com

General Introduction to Boundaries from Panahi Counseling:

These items can happen fleetingly, briefly, in any therapy, but if they’re frequent, it’s definitely time for the therapist to get some good, solid supervision/consultation.

Eager anticipation (or anxious anticipation) of the next session in ways that distract.

Why is Jack Smith arguing that presidents should not have full immunities as Trump is requesting?

Frequent phoning or texting of clients to “check up on them and make sure they’re OK.”