What is a patent search?
A patent search (sometimes called a "patent check") is the process of scanning patent databases to ensure that your new idea is not already registered in the name of another inventor, and to assess its uniqueness and innovation. During the search, registered patents and published patent applications are reviewed to find similar technologies. This is a crucial step for entrepreneurs, as a preliminary search can save you from investing in a non-new idea and prevent surprises later on.
When and why should you perform a patent search?
It is recommended to conduct a patent search in the early stages of developing an idea or invention – before filing a patent application or investing resources. A preliminary search allows you to get a broad picture of existing technologies and patents in the field, and to check whether the idea already exists and how innovative it is. Entrepreneurs conduct a patent search to avoid wasting time and money on a product that already exists and to avoid infringing on the patents of others. In addition, the search results can help guide development – for example, to indicate directions for improving the invention or differentiating it from similar patents.
Free patent search tools
There are several online tools that allow you to Free patent search. International patent databases are publicly available and provide access to patents from many countries. Notable tools include:
- Google Patents – Google search engine, which includes patents from US, European and international patent databases.
- United States Patent Office (USPTO) – The official website of the US Patent Office, which allows you to search for patents and applications published in the United States.
- Espacenet – A search system of the European Patent Office, covering patents from over 90 countries.
- Israeli Patent Database – The Israel Patent Authority's search system, for searching for patents and applications published in Israel.
Tips for an effective patent search
When searching, it is important to use a variety of keywords and phrases related to your invention, rather than just a single search term. It is recommended that you search in English, as most patents are written in English. Try synonyms and different descriptions of the idea to find relevant patents. If you get too many results, add terms to narrow your search; if you get almost no results, try more general terms or alternative words.
Once you have your results, review the patent titles and abstracts to find relevant patents. Read the patents closest to your idea carefully, paying particular attention to the “claims” section to understand the scope of their protection. Also pay attention to the publication date and the status of the patent (e.g., published patent application vs. valid patent), as these details will help you assess the impact on your invention.
Common mistakes to avoid
- Search too narrow: Limiting your search to a single keyword, language, or database may result in missing relevant patents. It is recommended to search a variety of sources and languages to get a complete picture.
- Ignoring similar patents: Searching only for the same invention and ignoring similar documents is a common mistake. Even a patent with minor differences may cover significant parts of your idea. Therefore, you should also carefully read a similar patent you find – not only the title, but also the description and claims – to understand the differences and overlaps with your invention.
- Assumption that "if not found - no patent": The fact that you did not find a similar patent in the first search does not guarantee that the idea is completely new. There may be publications or patent applications that were not discovered in the search, or additional search methods are required.
- Waiving professional advice when necessary: An independent search is a good start, but it is not always enough. If necessary, it is worth enlisting the help of an expert (for example, a patent attorney) who will conduct a comprehensive search and interpret the results professionally.
In conclusion, a thorough patent search is an essential step that every inventor or entrepreneur should perform before setting out. With the help of a preliminary check with free tools, you can uncover ideas that are already registered, avoid costly surprises, and focus on developing innovations.
