Trump v. Mazars USA, LLP, 591 U.S. ___ (2020) was a Supreme Court of the United States case involving the United States House of Representatives subpoenas to obtain the tax returns of President Donald Trump, which Trump has litigated to prevent but which had been cleared by the United States Court of Appeals for the District of Columbia Circuit. In a 7–2 decision issued in July 2020, the Supreme Court reversed the Circuit Court's decision, asserting that the court had not properly assessed the separation of powers between Congress and the President, and remanded the case for review with a set of considerations to evaluate the worthiness of the subpoena request.

A database right is a sui generis property right, comparable to but distinct from copyright, that exists to recognise the investment that is made in compiling a database, even when this does not involve the "creative" aspect that is reflected by copyright. Such rights are often referred to in the plural: database rights.

In criminal law, corporate liability determines the extent to which a corporation as a legal person can be liable for the acts and omissions of the natural persons it employs. It is sometimes regarded as an aspect of criminal vicarious liability, as distinct from the situation in which the wording of a statutory offence specifically attaches liability to the corporation as the principal or joint principal with a human agent.

Trover is a form of lawsuit in common-law countries for recovery of damages for wrongful taking of personal property. Trover belongs to a series of remedies for such wrongful taking, its distinctive feature being recovery only for the value of whatever was taken, not for the recovery of the property itself.

The concept of copyright developed after the printing press came into use in Europe in the 15th and 16th centuries. The printing press made it much cheaper to produce works, but as there was initially no copyright law, anyone could buy or rent a press and print any text. Popular new works were immediately reset and re-published by competitors, so printers needed a constant stream of new material. Fees paid to authors for new works were high, and significantly supplemented the incomes of many academics

Complicity is the participation in a completed criminal act of an accomplice, a partner in the crime who aids or encourages (abets) other perpetrators of that crime, and who shares with them an intent to act to complete the crime. A person is an accomplice of another person in the commission of a crime if they purpose the completion of a crime, and toward that end, if that person solicits or encourages the other person, or aids or attempts to aid in planning or committing the crime, or has legal duty to prevent that crime but fails to properly make an effort to prevent it.

Booking.com is an online travel agency, operating under both that name and at that domain name. The company sought to trademark its name with the United States Patent and Trademark Office (USPTO). The USPTO had denied the application: it ruled that the term "booking" as applied to the class of travel services was a generic term, and that Booking.com had not shown how their mark had gained distinctiveness. Booking.com appealed to the Trademark Trial and Appeal Board, (TTAB), which upheld that "booking" was a generic term within the class of travel services, and simply appending "dot com" did not change its generic nature.

A reference work with a list of legal terms from one or more languages, ordered alphabetically, explaining each word's meaning, and sometimes containing information on its usage, translations, and other data. 

In Western jurisprudence, concurrence (also contemporaneity or simultaneity) is the apparent need to prove the simultaneous occurrence of both actus reus ("guilty action") and mens rea ("guilty mind"), to constitute a crime; except in crimes of strict liability. In theory, if the actus reus does not hold concurrence in point of time with the mens rea then no crime has been committed.

Replevin or claim and delivery (sometimes called revendication) is a legal remedy, which enables a person to recover personal property taken wrongfully or unlawfully, and to obtain compensation for resulting losses.