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Between 2002 and 2006, Sony filed 291 user interface-related patent applications in the United States, 125 of which were granted, forming a total of 441 patent families globally.1 During the same period, Apple filed 391 such applications in the U.S., securing 200 utility patents and 19 design patents, with 290 global patent families. Despite Apple’s overall patent filings being only about a quarter of Sony’s, its user interface patents were nearly equal in number—highlighting Apple’s strategic emphasis on user interface design.

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Twilight at the Moment of Transition: Sony and Apple from a Patent Perspective

  • 章节

  • 发表日期：

    2026年

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  • Qiang Yue,
  • Fei Yang

摘要

Between 2002 and 2006, Sony filed 291 user interface-related patent applications in the United States, 125 of which were granted, forming a total of 441 patent families globally.1 During the same period, Apple filed 391 such applications in the U.S., securing 200 utility patents and 19 design patents, with 290 global patent families. Despite Apple’s overall patent filings being only about a quarter of Sony’s, its user interface patents were nearly equal in number—highlighting Apple’s strategic emphasis on user interface design.