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Justin DeAngelis

Partner

Quarles & Brady LLP

Justin DeAngelis is a Partner with Quarles & Brady, where he assists clients with their domestic and international patent portfolios, including patent preparation and prosecution, freedom-to-operate analyses and infringement analyses for design and utility patents. He is a well-established member of the design patent bar, having prosecuted hundreds of U.S. design patent applications in a wide variety of product categories. He also regularly:

  • Counsels domestic and foreign clients on design rights and develops sophisticated design patent filing strategies.
  • Advises on proper filing strategies while providing protections in cases where analysis points to infringement by competitors.
  • Prepares, files and prosecutes utility patent applications, with direct knowledge in a variety of manufacturing and consumer product sectors.

With a mechanical engineering degree as his foundation, clients find Justin’s technical training to be a strong complement to his legal knowledge.

Recent Articles by Justin DeAngelis

A Teapot Steeped with Dicta: An Update on In re Maatita and Design Definiteness

The flexible approach of In re Maatita to definiteness embodies the idea that designs can be depicted in a variety of ways while still being reasonably understood by the ordinary observer. The standard also strikes a balance between allowing infringement and patentability to be assessed and allowing applicants to claim their design in the way that best reflects how that design is likely to be viewed in the real world, or focusing on what the applicant deems to be the most important aspects of their design. While an applicant may choose to claim three-dimensional aspects of design from one or more points of view, there is no requirement that every detail must be fully shown in multiple views from a variety of perspectives so that its three-dimensional nature can be exactly ascertained. But the Federal Circuit could not help but muddy the waters by providing its infamous teapot example.