Dafang specializes in patent law with a focus on advanced sectors like chemistry, pharmaceuticals, molecular biology, polymer materials, and lithium battery technologies. She is particularly skilled in drafting patent applications tailored for Chinese and Japanese markets, as well as handling PCT international filings.

Her proficiency extends to bilingual patent application processes between Japanese and Chinese, making her a unique asset for cross-border intellectual property issues. Dafang also excels in strategic patent mining, detailed patent analysis, and navigating the complexities of patent re-examinations, invalidations, and litigation both in administrative and infringement cases. Her approach ensures precise protection and management of intellectual assets in challenging environments.