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Does the improvement of a patented product need to be patented again?
Release Time：
2022-05-06
A:
Patented products are constantly researched, improved or upgraded in the actual research and development process, so after each upgrade and improvement, do you need to apply for a patent again? The answer is not absolutely unique, it depends on the specific plan before and after the upgrade.
In practical application, it is necessary to compare the patent applied for based on the improved product with the improved product to determine whether the protection scope of the original patent covers the improved new product. If it is already covered, you may consider not applying for a patent; If it is not covered, the patent can be applied for again based on the improved product.
On the contrary, if you mistakenly believe that a product can only apply for one patent, after the product improvement, no longer reconsider whether to continue to apply for a patent based on the new product, which undoubtedly gives others the opportunity to improve the product. If others improve the product and apply for a patent, in turn, it will limit the renewal of the original patentee's product, resulting in the original patentee inadvertently becoming an infringer, making the original patentee actually lose his intellectual property rights.
Source: Intellectual Property Class
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