The Essential Guide to Patent Search for Entrepreneurs

As an entrepreneur, securing your business’s intellectual property is crucial. One of the first steps in securing your IP is conducting a patent search. A patent search is a comprehensive examination of existing patents to determine if your invention is novel and eligible for patent protection. In this guide, we’ll provide a comprehensive overview of the patent search process for entrepreneurs and cover the essential steps involved in conducting a successful patent search.

Understand the Patent Process

Before conducting a patent search, it’s essential to understand the patent process and the different types of patents available. A patent is a legal document that gives the holder the exclusive right to prevent others from making, using, selling, or importing an invention for a specific period. There are three types of patents: utility patents, design patents, and plant patents. Utility patents cover new and useful inventions or discoveries, while design patents cover new and original ornamental designs for an article of manufacture. Plant patents are granted for newly discovered or asexually reproduced plant varieties.

Determining The Scope of Patent Search

The next step in the patent process is to determine the scope of the patent search. This involves determining the relevant patent class and subclass. The United States Patent and Trademark Office (USPTO) has organized patents into different classes and subclasses to make searching for existing patents easier. By determining the relevant class and subclass, you can narrow your search and focus on relevant patents.

Conduct a Thorough Patent Search

Once you have a clear understanding of the patent process and the relevant class and subclass, you can begin conducting a patent search. There are various search tools and resources available for patent searches, including search engines, databases, and professional services.

Search engines such as Google Patents, Microsoft Academic, and PatentWizard can be used to search for patents. These search engines allow you to search for patents using keywords, inventors, assignees, and other criteria. While these search engines can be a good starting point, they may not provide a comprehensive search and may miss relevant patents.

Databases such as the USPTO Patent Full-Text and Image Database and the European Patent Office’s Espacenet can provide a more comprehensive search. These databases allow you to search for patents by class and subclass, keyword, inventor, assignee, and other criteria.

Evaluate the Results of Your Patent Search

Once you have completed your patent search, it’s time to evaluate the results. When evaluating the results, look for patents that cover the same or similar inventions to yours. Pay close attention to the claims section of the patents, as this is the part of the patent that defines the scope of the invention.

It’s also important to determine if a patent is still valid and enforceable. Patents typically have a 20-year term from the filing date, and the holder must pay maintenance fees to keep the patent in force. If a patent is not maintained, it will expire, and the invention will become part of the public domain.

Another important factor to consider when evaluating the results of your patent search is if the patent covers your invention and if it presents any potential infringement risks. If you believe that your invention is covered by an existing patent, you should consult a patent attorney or paralegal to discuss your options.

Move Forward with Your Patent

The next step is to file a patent application with the USPTO or the appropriate foreign patent office. The patent application must describe the invention in detail and must include claims defining the scope of the invention. The patent application process can be complex and time-consuming, so it may be helpful to work with a patent attorney or paralegal.

Working with a patent attorney or paralegal can also help ensure that your patent application is complete and meets all the requirements. Patent attorneys and paralegals have expertise in the patent process and can provide guidance on how to best protect your invention. They can also represent you in any legal proceedings related to your patent, such as infringement actions.

The cost of obtaining a patent varies, but it’s important to budget for the costs associated with obtaining a patent. The costs can include filing fees, attorney’s fees, and maintenance fees. The cost of obtaining a patent can be significant, but it’s an investment in protecting your business’s intellectual property.


Patent search is an essential step for entrepreneurs looking to secure their business’s intellectual property. By understanding the patent process, conducting a thorough patent search, evaluating the results, and working with a patent attorney or paralegal, you can take the necessary steps to protect your invention and secure your business’s future. Remember to budget for the costs associated with obtaining a patent, as it’s an investment in protecting your business’s intellectual property. By following the steps outlined in this guide, you’ll be well on your way to a successful patent search.

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