Look at some keys, and you will notice the "do not duplicate" inscription. Does it mean that you can't have a locksmith duplicate such a key? Would it be illegal if you did? Are these keys more secure?

Here are some answers to these critical questions.

No Guarantee of Improved Security

The reality remains that keys with this inscription are not any more secure than the ones without it. Unfortunately, many property owners and managers embrace a false sense of security with such keys when this shouldn't be the case.

Instead, you should speak to your locksmith and find out what options are available as far as commercial locks go. Smart commercial locks offer more security features compared to traditional locks.

What the Law Says

There really is no explicit law on "do not duplicate" keys. At best, the inscription and its implications are a recommendation, which is not legally binding. Most hardware stores take the engraved message quite seriously and have a policy to turn away anyone looking to duplicate these keys.

A locksmith, on the other hand, will duplicate your keys. This should be helpful when you want to provide access to others. You can also avoid lockouts if you forget your key inside the building or elsewhere, and you won't need to call an emergency locksmith to let you in. 

Keep in mind that key duplication is one of the main services offered by most locksmiths and is not too difficult, which should say something about any misconceptions on the security of "do not duplicate" keys.

The Exception

A locksmith's ability to duplicate keys does not apply to restricted keys. It is illegal for a locksmith to duplicate restricted keys. The duplication rights of such keys are restricted to the original manufacturer of the key.

These types of keys are usually specialized, and duplicating them requires equally specialized equipment and processes. They are harder to duplicate, and the average locksmith may neither have the skill nor the equipment for the job. 

Only an approved locksmith can duplicate restricted keys. The locksmith will require proof of identification of the person looking to duplicate the key as well as proof of granted permission from the original owner of the key.

There is no law against duplicating a key engraved with "do not duplicate" or similar phrases. Should you need to have a key duplicated, find a qualified locksmith for the job.

Contact a locksmith in your area if you have more questions.  

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