In most states, a person who has received an unobstructed flow of air and light onto his land for a long period of time gains, by operation of law, a negative easement that can be used to prevent an adjacent landowner from building anything that obstructs the flow.

Question

Quizplus · Accepted Answer

The concept described is more akin to the doctrine of ancient lights, which is not widely recognized in most states in the United States. Instead, easements, including negative easements, are typically established through express agreements or other specific legal mechanisms rather than merely by the long-term receipt of air and light.

In Most States, a Person Who Has Received an Unobstructed