专利 (zhuān lì): สิทธิบัตร

This company developed a new type of battery and applied for several international patents for it.

The lawyer reminded him not to disclose the technical details before the patent is approved.

The patent protection lasts for 20 years; after it expires, anyone can use the technology for free.

Two technology companies fought a lawsuit for several years over a smartphone patent, and finally reached a settlement.

He invented an eco-friendly packaging material and successfully applied for a patent; now many companies want to buy the right to use his patent.