John T. Spangenberger

With more than a decade of experience in high-technology patent prosecution, John has drafted and prosecuted global patent families across diverse technical areas including medical devices, consumer electronics, cybersecurity, data-center management, and radio-frequency telecommunications. He has deep expertise in front-end communication modules, power supply and distribution equipment, and medical nerve-stimulation devices.

John also supports clients on the deals and decisions that shape IP ownership and commercialization. He regularly counsels on the IP implications of employment, product-development, and licensing agreements—often for startups establishing clear IP ownership and go-to-market pathways.

Prior to his career at L&A, John worked at a major Procter & Gamble manufacturing facility, where he led issue-resolution teams in lean manufacturing.

John is also active in teaching, professional leadership, and community service. He serves as the president of the Boston Chapter of the International Network of Boutique & Independent Law Firms (INBLF) and he is also Board President of Groundwork Somerville, an environmental nonprofit based in Somerville, Massachusetts.

John previously taught Legal Writing and Research at Suffolk University Law School and currently teaches Business Law to undergraduate students, helping equip the next generation of entrepreneurs to navigate the legal landscape of modern business.

An avid runner, John can often be found training for his next marathon along the Charles River Esplanade.