"the specialized language of the legal profession"
https://www.merriam-webster.com/dictionary/legalese
"language typical of lawyers, laws, legal forms, etc., characterized by archaic usage, prolixity, and extreme thoroughness."
https://www.thefreedictionary.com/legalese
"When creating legal policies for your business, avoid legalese, which is a form of writing that makes your policies unnecessarily complicated"
https://termly.io/resources/articles/legalese/
"Legalese is a specialized language used by most lawyers or those in the legal profession. It's a form of technical writing for contracts, wills, company by-laws, and other legal documents.
Legalese is like a complicated math problem or a medical/scientific report that only the experts can decipher."
https://www.websitepolicies.com/blog/legalese
"If you’re a lawyer, you may already be familiar with the term “legalese”. For those who may be unaware, it refers to “legal speak” or language that is filled with a whole lot of legal terminology and scholarly/academic words, phrasing, and terms."
https://www.legalinsites.com/2016/09/08/what-is-legalese-and-why-is-it-bad/
"Legal terms can be extremely confusing for laypeople, yet lawyers seem to employ them at whim. Every law school student is required to learn this, so they pick it up over their years in law school, use it in their professional lives daily and eventually might not even realise they are using it. These legal terms is legalese."
https://learn.asialawnetwork.com/2017/10/03/common-confusing-legal-words-legalese-explained-simply/