The core purpose of the patent system is to encourage innovation and technological progress. Although it may seem negative for a client to be sued for unauthorized use of another person's patent, from a longer-term perspective, this system actually protects the legitimate rights and interests of all parties, thereby promoting continuous breakthroughs and progress in the entire industry. Here are some key points that can be used to explain how this phenomenon promotes innovation and technological development: 1. Guaranteeing a return on R&D investment: The patent system provides innovators with exclusive rights for a limited period of time, thereby ensuring that they can get a return after investing a lot of time and resources in R&D. Only under the premise of legal protection, companies and individuals will have more motivation to continue to innovate and develop new technologies and higher-quality products. 2. Encourage disclosure and knowledge sharing: Patent applications require that the technical principles be disclosed in exchange for legal protection. Such a system design helps the entire scientific and technological community to conduct further research and development based on the understanding of existing technologies, thereby promoting the improvement of the overall technological level. Even if there are infringement lawsuits, it is also a reminder to respect the efforts of original innovators and ensure that subsequent innovations are carried out in a legal and transparent environment. 3. Promote healthy competition: Although patent lawsuits bring legal risks to the defendant, they also set a clear rule for the industry: only by respecting the achievements of others can you gain legal development space in the market. This competitive environment can drive companies to continuously optimize their technology routes, and it may also promote both parties to seek cooperation in the public interest and technology sharing, and achieve a win-win situation through licensing and cross-licensing, thereby further promoting technological progress. 4. Promote the interactive upgrade of law and technology: Patent litigation is not only a legal weapon, it also prompts all parties to constantly think about how to find a balance between existing technology and the market. Through this interaction, the entire intellectual property system will gradually improve, better adapt to the needs of technological evolution, and further ensure that innovative achievements are fairly protected. Therefore, when customers face litigation due to unauthorized use of other people's patents, they can tell them that this is not a simple punishment, but part of a market incentive mechanism - this mechanism is designed to protect original innovation, promote technology disclosure and exchange, promote healthy competition, and ultimately drive the continuous progress of the entire industry. From this perspective, although patent litigation may increase temporary troubles, in the long run, it maintains a healthy innovation ecosystem and encourages all market participants to continuously pursue higher technological breakthroughs and commercial value.