Signature stamps are a handy tool for just about any office space, but are they legal? There is some confusion as to whether signature stamps are considered a legal form of authorization. Unfortunately, the answer still remains ambiguous and needs to be addressed in steps.

Let’s first start with defining just what a signature is. Because, there’s more to it than you think.

Since many official documents require authorization in a few form, understanding the legal definition of “signature” is an important first step to unpacking the legality of signature stamps. According to The Free Dictionary, “signature” is defined as: A mark or sign created by an individual on an instrument or document to signify knowledge, approval, acceptance, or obligation. While this is actually the most upfront and obvious definition, there is another layer when considering what produces a legal signature.

Legally, in addition to the act of signing, an individual’s intent is taken into consideration when addressing the validity of an signature. This is why a signature is not always a specific or unique way of writing your name, and in fact, can be viewed as a sing aspect by mark. A valid signature could will include a drawn image, official seal, or an easy alphabetic character so long as the signee understands and intends because of their symbol to serve as their signature.


In the simplest of terms; a signature stamp is an implement customized with an individual’s name for simple and fast authorization of documents. These stamps will come customized with just a sign aspect or may include both a signature and printed name. Signature stamps can come in a variety of styles including self-inking, pre-inked, or wood handle, even though each stamp format serves the same basic function, they each appeal to different aesthetics. Self-inking stamps often be the most popular as they are less expensive than pre-inked and have a stamp ink pad included in the stamp body itself.

You can read more about the differences between these stamp types here. With the outbreak of COVID-19, keeping an individual signature stamp on your person is a great way to take care of professionalism whilst social distancing. It’s also better to use your own tools to lessen the spread of germs. While signature stamps are useful tools for just about any professional, you can find some concern mattering whether they are considered a legal method for authorization or not.

Knowing now that a signature stamp is considered as the and legal mark of authorization, it’s important to weigh the pros and cons of keeping one.

As with any purchase, considering both benefits and drawbacks can be an important step to making an informed decision.


There are many reasons to buy and use a signature stamp. It is a useful tool for both personal and professional use that helps simplify or expedite certain tasks.

  • Simplifies frequent and repeated signing
  • Consistent appearance removes ambiguity
  • Allows physically disabled to easily sign

You can generally use signature stamps as a legal authorizing mark. So long as your stamp is intentionally used and validated by you or a certified representative you appoint, a signature stamp can serve as a legal form of signing.