Intellectual Property

Copyright infringement is unauthorized use of protected expression in a way that violates the copyright owner's exclusive rights.

A copyright infringement notice alleges that a protected work has been used without authorization or outside the scope of permission.

A copyright license is permission from a copyright owner to use a protected work under stated terms.

A copyright notice is a statement identifying copyright ownership or protection, often using the copyright symbol, year, and owner name.

An exclusive license gives one licensee special rights to use intellectual property, often excluding others within the agreed scope.

A generic trademark problem arises when a term is treated as the common name for goods or services rather than as a brand source identifier.

An IP assignment transfers ownership of intellectual property rights from one person or entity to another.

Joint authorship can arise when multiple creators contribute copyrightable expression with the intent to merge their contributions into one work.

A license agreement gives permission to use intellectual property under stated conditions without transferring ownership.

Likelihood of confusion is the trademark-law question of whether consumers are likely to think goods or services come from the same source.

A nonexclusive license allows use of intellectual property while the owner remains free to license the same rights to others.

An office action is an official communication from an intellectual property office identifying issues with a patent or trademark application.

A patent application is a filing that asks a patent office to grant patent rights for an invention.

A patent examiner is an official who reviews patent applications for compliance with patentability and procedural requirements.

Patent infringement involves making, using, selling, offering to sell, or importing a patented invention without authorization.

Patent licensing is the process of granting permission to make, use, sell, or otherwise exploit patented technology under agreed terms.

Patent prior art is earlier information that may affect whether an invention is new or nonobvious enough for patent protection.

A provisional patent application is a temporary patent filing that can support an early priority date but does not itself mature into a patent.

A royalty is a payment for permission to use intellectual property, often based on sales, revenue, units, time, or a fixed fee.

A sublicense is permission granted by a licensee to another party when the original license allows that downstream grant.

Trade secret misappropriation involves improper acquisition, disclosure, or use of confidential business information protected as a trade secret.

A trademark cease-and-desist letter demands that another party stop using a mark or branding claimed to create trademark problems.

Trademark dilution is a claim that certain uses weaken or harm a famous mark even without ordinary consumer confusion.

Trademark infringement is unauthorized use of a mark in a way that is likely to confuse consumers about source, sponsorship, or affiliation.

Trademark likelihood of confusion asks whether consumers are likely to believe that goods or services come from the same source or are connected.

A trademark opposition is a proceeding where a party challenges registration of a pending trademark application.

Understand copyright registration as a formal record that can matter for enforcement and remedies.

Learn how derivative works adapt existing copyrighted expression and why permission often matters.

Learn how a DMCA takedown notice fits online copyright disputes and platform removal processes.

Learn how patent claims define the legal scope of an invention and shape infringement and validity disputes.

Understand prior art as earlier knowledge or disclosures that can affect patentability and patent validity.

Understand the public domain as the body of works not controlled by copyright restrictions.

Learn how a service mark identifies services and how it relates to trademark protection.

Understand trade dress as protection for distinctive commercial appearance that identifies source.

Learn how trademark registration records brand rights and can affect enforcement, notice, and geographic scope.

Understand work made for hire as a copyright-ownership rule for certain employee and commissioned works.

A cease-and-desist letter is a written demand that someone stop alleged unlawful conduct, often before litigation begins.

Copyright is the legal protection given to original works of authorship fixed in a tangible medium.

Fair use is a doctrine that allows some limited uses of copyrighted material without permission under certain circumstances.

Infringement is the unauthorized violation of rights protected by intellectual-property law.

Terms covering ownership and protection of creative works, brands, inventions, and confidential business information.

Licensing is the process of granting permission to use intellectual property under stated conditions.

A patent is a government-issued right that allows an inventor to exclude others from making, using, or selling a claimed invention for a limited time.

A trade secret is valuable business information that derives protection from not being generally known and from reasonable secrecy measures.

A trademark is a word, name, symbol, design, or similar indicator used to identify the source of goods or services.