The law is
Criminal Justice Act 1988 which says:
139 - Offence of having article with blade or point in public place. E+W
(1) Subject to subsections (4) and (5) below, any person who has an article to which this
section applies with him in a public place shall be guilty of an offence.
(2) Subject to subsection (3) below, this section applies to any article which has a blade
or is sharply pointed except a folding pocketknife.
(3) This section applies to a folding pocketknife if the cutting edge of its blade exceeds
3 inches.
(4) It shall be a defence for a person charged with an offence under this section to prove
that he had good reason or lawful authority for having the article with him in a public
place.
(5) Without prejudice to the generality of subsection (4) above, it shall be a defence for
a person charged with an offence under this section to prove that he had the article
with him—
(a) for use at work;
(b) for religious reasons; or
(c) as part of any national costume.
The case law is charles broker vs dpp 2005 for blade length.
The locking knife case law is Harris v Director of Public Prosecutions; Fehmi v Director of Public Prosecutions: QBD 9 Sep 1992.
The
Gov.org website says this:
It’s also illegal to:
- carry most knives or any weapons in public without a ‘good reason’
- sell most knives or any weapons to anyone under the age of 18
The exception to these 2 rules are folding pocketknives that:
- have a cutting edge no longer than 3 inches
- are not lock knives (they do not have a button, spring or catch that you have to use to fold the knife)
The
Suffolk Police say this:
Is it illegal to carry a knife?
It is illegal to carry any sharply pointed or bladed article in a public place
(with the exception of a folding pocket knife, which has a blade that is less than 7.62cm or 3 inches).
A lock knife is NOT a folding pocketknife and therefore it is illegal to carry these knives regardless of the length of the blade.
Possession of a lock knife in a public place without reasonable excuse IS an offence.
Possession of a multi-tool incorporating a prohibited blade / pointed article is capable of being an offence under this section even if there are other tools on the instrument that may be of use to a person in a public place
(screwdriver, can opener).
The
West Midlands Police say this:
In England, it is illegal to:
- Sell a knife to anyone under 18, unless it is a knife with a folding blade that is three inches long or less
- Carry a knife in public without good reason, unless it is a knife with a folding blade that is three inches long or less
- Carry, buy or sell any banned knife
Man I am glad I am not a lawyer that was hard work.