Avoiding patent infringement when developing new technologies is a complex process that requires careful and in-depth research. Here are some common methods that can help developers avoid infringement charges as much as possible when exploiting loopholes in existing patents: 1. **Patent Analysis**: Carefully analyze the claims of the relevant patents and understand their scope of protection. In particular, pay attention to the specific embodiments of the patents and the terms used to define the scope of the claims. 2. **Reverse Design**: When developing technology, use different designs and methods to bring different technical ideas that do not fall within the scope of patent rights. This may involve using different materials, methods or system architectures. 3. **Bypassing the embodiments**: Focus on areas or embodiments that are not clearly covered by the patents to ensure that your own designs are outside the scope of patent protection. 4. **Novelty and Non-obviousness**: Create your own intellectual property by developing technologies that are novel and non-obvious, and even apply for your own patents to protect new innovations. 5. **Licensing and Cooperation**: If you find that the technology you are developing inevitably involves existing patents, you can consider negotiating a licensing agreement with the patent owner or engaging in cooperative development to avoid legal risks. 6. **Design Freedom**: Before starting the design, conduct a design freedom analysis to ensure that existing patents are not infringed during the design phase. 7. **Patent Validity Challenge**: In some cases, the validity of the target patent can be studied and its legality can be challenged if there is a basis. 8. **Legal Consultation**: It is always recommended to work with an IP lawyer or patent agent to obtain professional advice, who can provide valuable legal advice and risk assessment. It is important to note that any strategy to avoid infringement should be carried out within the legal scope and always maintain ethical standards and business integrity.