After the patent is voluntarily withdrawn, can it be searched online?

Take the initiative to withdraw without authorization, can not be retrieved online. If the invention is not authorized, if it has passed the preliminary examination and entered the actual trial, it will be made public and can be retrieved whether it is withdrawn or not. But it does not affect the priority re-application within one year. Wisdom bud patent retrieval platform is a very professional patent retrieval system in China, and there are many patents and countries that can be queried. Wisdom Bud Global Patent Database contains1.400 million+global patent data, multi-dimensional visual analysis and powerful patent search and analysis function, which is a good choice for both novices and patent practitioners.