Within the existing technical framework, companies can take the following measures to "imitate" the hot-selling technologies in the market without infringing on other people's patents: 1. **Reverse Engineering**: Understand the working principle of competitive products through reverse engineering, and avoid copying the specific implementation of patent protection. It is necessary to pay attention to the legal definition of reverse engineering in various countries. 2. **Public Literature Research**: Systematically study patent databases, academic papers and related technical literature to obtain public information related to the target technology, and then innovate on this basis. 3. **Design Bypass**: Analyze the specific protection scope of existing patents and design a new solution to avoid infringing the claims of existing patents. 4. **Cross-licensing**: Cross-licensing with companies that own relevant patents to legally use the other party's technology while opening up their own technology to a certain extent. 5. **Patent Expired Technology**: Research and utilize technologies that have expired patent protection periods because these technologies have entered the public domain and there is no need to worry about infringement. 6. **Innovation Enhancement**: Innovate and optimize existing technologies to develop unique new functions or features to give your products new competitive advantages. 7. **Open source technology**: Take advantage of technologies that have been made public in the open source community, as these technologies are usually not restricted by patents and can be used by following license requirements. 8. **Market research and user feedback**: Understand the real needs of users through extensive market research and user feedback, so as to develop product solutions that are different from those of existing patent holders. 9. **Cooperative R&D**: Cooperate with research institutions or universities to obtain new research results and innovative technologies that may bypass existing patented technologies. 10. **Employ expert consultants**: Use the expertise of patent lawyers and technology experts to ensure that the product development process does not infringe on the patents of others. Through the above measures, companies can carry out technological innovation and market competition within the framework permitted by law without having to get involved in patent disputes.