Melvin Real Estate Lawyer, Illinois

A provision in a contract that preserves the rest of the contract if a portion of it is invalidated by a court. Without a severability clause, a decision by the court finding one part of the contract unenforceable would invalidate the entire document.

A method for the formal delivery of court papers that takes the place of personal service. Personal service means that the papers are placed directly into the hands of the person to be served. Substituted service, on the other hand, may be accomplished by leaving the documents with a designated agent, with another adult in the recipient's home, with the recipient's manager at work or by posting a notice in a prominent place and then using certified mail to send copies of the documents to the recipient.

An unconditional right to receive real property at some point in the future. A vested interest may be created by a deed or a will. For example, if Julie's will leaves her house to her daughter, but the daughter gains possession only after Julie's husband dies, the daughter has a vested remainder in the house.

A seller's taking advantage of a buyer due to their unequal bargaining positions, perhaps because of the buyer's recent trauma, physical infirmity, ignorance, inability to read or inability to understand the language. The unfairness must be so severe that it is shocking to the average person. It usually includes the absence of any meaningful choice on the part of the buyer and contract terms so one-sided that they unreasonably favor the seller. A contract will be terminated if the buyer can prove unconscionability.

A phrase used in property law to describe a right or duty that remains with a piece of property no matter who owns it. For example, the duty to allow a public beach access path across waterfront property would most likely pass from one owner of the property to the next.

A lawsuit brought by two parties, not as adversaries, but as collaborators in order to resolve a legal question that affects them both. For example, two companies might bring a friendly suit to court in order to clarify a legal interpretation of a contract between them.

Principles of international law so fundamental that no nation may ignore them or attempt to contract out of them through treaties. For example, genocide and participating in a slave trade are thought to be jus cogens.

When a landlord provides housing that is so substandard that a landlord has legally evicted the tenant. For example, if the landlord refuses to provide heat or water or refuses to clean up an environmental health hazard, the tenant has the right to move out and stop paying rent, without incurring legal liability for breaking the lease.