There are federal, state, and local laws regulating knives. Nappen is “one of the most respected legal authorities in the nation on the topic of knife law” and his book is a great resource on knife law. For example, in some states, any knife including assisted-opening knives with a blade length of more than 2.5 inches is illegal to carry. LegalBlade™ provides guidance at your fingertips to the knife laws of all 50 states as well as cities and local jurisdictions in the United States. Getting caught or crossing state lines with an illegal knife or switchblade can lead to serious consequences like fines or even jail time, so it’s important to know your state’s knife laws and the knife laws of any state … LegalBlade™ is the world’s first knife law app. Owning a knife is not illegal within the United States. These concern knives that may be worn openly but not concealed, knives that can be carried both openly and concealed, and knives that are always illegal to carry.. Federal Knife Laws by State. Throughout the state, it is considered legal to purchase and carry any knife that is under two inches in length. 4) “Knife Laws of the U.S.: Loopholes, Pitfalls & Secrets” by Evan F. Nappen. Federal Knife Laws by State. At a Glance: The primary Pennsylvania statute regarding knives is § 908 of the PA crimes code, captioned ‘Prohibited Offensive Weapons’. The knife specific language provides that automatic knives may not be possessed, and are prohibited as ‘offensive weapons’ unless the knife is kept and dealt with ‘as a curio’. Pocketknives are allowed for concealed carry up to 4.75”! For more information on knife laws, you may want to download the LegalBlade™ App – Knife Laws in America™. Knife Laws by State 2020 Certain knives are used mostly for protection, for hunting, and for handyman work. However, each state has different regulations on the types of knives that people can have. Beaver State’s knife laws are simple and easy to go by as only manual folding knives a.k.a. What Are the Knife Laws in the United States? There is only one federal law regulating knives - the Switchblade Knife Act of 1958 and an amendment to the act in 2009 . It has a pretty thorough list of knife laws throughout the United States. California knife laws break down into 3 categories of devices. They also explain how legal knives … Federal knife law only applies those traveling from one to state to another, entering federal … You must refer to your state laws to determine whether your knife meets state requirements, but rest assured that assisted-opening knives are legal in all 50 states. In California, the knife laws are considered some of the strictest in the country. Regrettably, quite a few states also regulate knives on a style and length basis, perhaps requiring a citizen to seek and obtain a concealed weapons permit before carrying a “restricted” knife and a few special nanny states rely on nebulously worded laws that are easily contorted to fit the agenda of the arresting officer or the court. What Are the Switch Blade Knife Laws in the United States? The only knives that are illegal are ballistic knives and throwing stars. Getting caught or crossing state lines with an illegal knife or switchblade can lead to serious consequences like fines or even jail time, so it’s important to know your state’s knife laws and the knife laws of any state you may travel to. 3.5" knife used in self defense may be prosecutable: State v Holloway, 528 A.2d 1176 (1987), despite State v Harris 258 A.2d 319 (1968) which held that without obvious intent, the 4" limit was strict and could not be lowered by a finding that the knife was a dangerous weapon. 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