Estate of Opal v. Commissioner
United States Court of Appeals for the Second Circuit
450 F.2d 1085 (1971)
- Written by Daniel Clark, JD
Facts
Edward Opal and his wife, Mae Opal, executed a joint will. The will provided that, upon the death of one spouse, the decedent’s entire estate would pass to the surviving spouse. Also pursuant to the will, when the second spouse died, the entire estate would pass to the couple’s son, Warren. The joint will constituted a binding contract under state law. Thus, after either Edward or Mae died, the surviving spouse would be powerless to alter the will to exclude Warren. Edward died, and, pursuant to the joint will, his entire estate passed to Mae. Edward’s estate (plaintiff) claimed the full marital deduction. The Internal Revenue Service (IRS) (defendant) disallowed the deduction, and the tax court upheld the IRS’s determination. Edward’s estate appealed.
Rule of Law
Issue
Holding and Reasoning (Friendly, C.J.)
What to do next…
Here's why 964,000 law students have relied on our case briefs:
- Written by law professors and practitioners, not other law students. 47,500 briefs, keyed to 1,006 casebooks. Top-notch customer support.
- The right amount of information, includes the facts, issues, rule of law, holding and reasoning, and any concurrences and dissents.
- Access in your classes, works on your mobile and tablet. Massive library of related video lessons and high quality multiple-choice questions.
- Easy to use, uniform format for every case brief. Written in plain English, not in legalese. Our briefs summarize and simplify; they don’t just repeat the court’s language.
- AI-generated podcast version of every brief — listen on the go, between classes, or whenever reading isn’t an option. New
Understand your casebook readings in seconds
Use our case briefs to comprehend your casebook readings faster, supplement your notes and outlines, and outshine your peers in class.
Get instant access to over 47,500+ expert-written case briefs in a searchable database keyed to 1,006 law school casebooks.

