Written by attorneys · grounded in primary & secondary sources — see below
That is. A Latin phrase used to introduce an explanation or restatement of the preceding statement.
Sources & Authorities· 25 primary sources
Select any source to read its text and confirm it supports the definition.
Statutes
Federal Rules
Uniform Acts
How it applies
Common Examples
6
Consent Limited by Time
Isabella Ingram invited Iain Irons into her home only between 9 a.m. and 5 p.m. When Iain forced the door open at midnight, the entry constituted a breaking. The limited consent did not authorize the later use of force, id est a constructive breaking under the burglary rule.
Unreleased Lien Clouds Title
Ivy Investments contracted to sell land to Imran Iyer. A recorded but unreleased mortgage remained on the property. The seller could not deliver marketable title, id est title free from reasonable doubt that a prudent purchaser would accept.
Request to Waive Service
Ibrahim Iqbal sued Iris Energy under Rule 4. He sent a written notice and request for waiver of summons. The notice satisfied the requirement that it be addressed to the defendant, id est the corporation subject to service.
Integrity Partners made a political contribution to a judge's campaign. The firm sought appointment as counsel in a matter before that judge. The contribution was made for the purpose of obtaining the engagement, id est conduct prohibited by the rule.
Temporary Flooding Closes Road
Isaac Irving contracted to deliver goods by a certain date. A temporary flood made the only access road impassable for two weeks. The impracticability suspended the duty during that period but did not discharge it, id est performance remained due once the road reopened.
Mobile Storage Unit Lease
Idris Ives leased a portable storage container from Ironclad Industries. The container could be moved at any time and had no fixed site. No landlord-tenant relationship arose because the space lacked a fixed location for the lease duration, id est the arrangement fell outside the doctrine.
Common questions
Frequently Asked
3
What does id est mean in legal writing?+
Id est is a Latin phrase that means 'that is' and is used to introduce a clarification or restatement of the preceding words.
Should lawyers use id est in briefs or contracts?+
Legal drafting authorities recommend avoiding id est and other Latin phrases in favor of the plain English equivalent 'that is.'
How is id est abbreviated?+
The common abbreviation is i.e., which stands for id est and serves the same clarifying function.
410 U.S. 113 (1973)Constitutional Law
…is to perform the abortion; as to the licensure of that person; as to the facility in which the procedure is to be performed, that is, whether it must be a hospital or may be a clinic or some other place of less-than-hospital status; as to the licensing of the facility; and the like. This means, on the other hand, that,…