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David is a Patent Agent registered with the USPTO with extensive experience developing, defending, valuing, and monetizing IP, including prior art landscape analysis, application drafting, and prosecution. He has also worked closely with companies to develop IP strategies, analyze and value IP portfolios, market IP for sales and licensing, and as an expert witness in IP litigation.
David’s primary technical areas of expertise include Materials Science and Engineering, Electrical Engineering and Chemical Engineering. He has done IP work with companies in a wide range of technologies including optoelectronic devices and systems, such as solar cells, LEDs and telecom systems, semiconductor materials, devices, and processing, nanotechnology, polymeric fibers and textiles materials, additive manufacturing, consumer electronics, and industrial gas processing. Before entering the patent field, David was the Vice President of Research and Development at Nanosolar. In addition to managing the R&D department at Nanosolar, David also led the growth of Nanosolar’s IP portfolio, including developing U.S. and international patent strategies, managing inside and outside counsel, technical analysis for patent prosecution, and as the technical lead in IP litigation. David was also the Sr. Director of R&D for InVisage, developing quantum dot based light sensors. David holds Ph.D. and M.S. degrees in Materials Science and Engineering from Stanford University. His doctoral research was in the field of optoelectronic devices, particularly novel materials for solar cells and photodetectors. David continued his work at Stanford as a post-doctoral researcher, focused on nanostructured solar cells. He also holds a B.S. degree in Textiles and Apparel with a concentration in Fibers Science from Cornell University. His undergraduate honors thesis focused on the internal crystalline morphology of high-strength dragline spider silk. David is also a regular co-host of the Patently Strategic Podcast. Check out one of his most recent episodes below: |
Technical Patent Expertise
Optoelectronic Devices – solar cells, photodetectors, image sensors, electrochromics, telecom systems Materials Characterization – extensive experience in a wide array of techniques, including structural, optical, 3D metrology, chemical, electrical, and mechanical measurements Semiconductor Devices – extensive experience including optoelectronic characterization, and finite element modeling Semiconductor Processing – extensive experience including film deposition, lithography/nano-patterning, and device fabrication Nanotech – nanoparticle/nanowire synthesis, nanostructured films, and nano-characterization Fibers Materials – Kevlar, spider silk, and fibers characterization Industrial Chemical Processing – plasma, thermal, and wet chemical technologies |
Work Examples.
These samples are just a cross-section of David’s patent work. David has worked on many other patent applications in various technology areas – consumer electronics, textiles, smart buildings, solar cells, biodegradable materials, etc…
Nanomaterials
US 9,862,606 “Carbon allotropes”
https://patents.google.com/patent/US9862606B1/en
US 9,997,334 “Seedless particles with carbon allotropes”
https://patents.google.com/patent/US9997334B1/en
US 10,112,837 “Carbon allotropes”
https://patents.google.com/patent/US10112837B2/en
US 10,373,808 “Seedless particles with carbon allotropes”
https://patents.google.com/patent/US10373808B2/en
US 10,428,197 “Carbon and elastomer integration”
https://patents.google.com/patent/US10428197B2/en
https://patents.google.com/patent/US9862606B1/en
US 9,997,334 “Seedless particles with carbon allotropes”
https://patents.google.com/patent/US9997334B1/en
US 10,112,837 “Carbon allotropes”
https://patents.google.com/patent/US10112837B2/en
US 10,373,808 “Seedless particles with carbon allotropes”
https://patents.google.com/patent/US10373808B2/en
US 10,428,197 “Carbon and elastomer integration”
https://patents.google.com/patent/US10428197B2/en
Electrochromics
US 9,823,535 “Tungsten oxide nanostructure thin films for electrochromic devices”
https://patents.google.com/patent/US9823535B2/en
US 2018/0364541 “Flexible and multilayer electrochromic devices and methods of making the same”
https://patents.google.com/patent/US20180364541A1/en
Substantial contributions to:
US 9,581,877 “Electrochromic multi-layer devices with charge sequestration and related methods”
https://patents.google.com/patent/US9581877B2/en
US 10,007,163 “Electrochromic multi-layer devices with charge sequestration and related methods”
https://patents.google.com/patent/US10007163B2/en
US 10,386,688 “Electrochromic devices with patterned electrically conductive layers”
https://patents.google.com/patent/US10386688B1/en
https://patents.google.com/patent/US9823535B2/en
US 2018/0364541 “Flexible and multilayer electrochromic devices and methods of making the same”
https://patents.google.com/patent/US20180364541A1/en
Substantial contributions to:
US 9,581,877 “Electrochromic multi-layer devices with charge sequestration and related methods”
https://patents.google.com/patent/US9581877B2/en
US 10,007,163 “Electrochromic multi-layer devices with charge sequestration and related methods”
https://patents.google.com/patent/US10007163B2/en
US 10,386,688 “Electrochromic devices with patterned electrically conductive layers”
https://patents.google.com/patent/US10386688B1/en
Telecommunications
US 10,230,353 “Nonlinear signal filtering”
https://patents.google.com/patent/US10230353B2/en
US 2019/0036759 “Timing recovery for Nyquist shaped pulses”
https://patents.google.com/patent/US20190036759A1/en
US 2019/0123832 “Phase recovery for signals with quadrature amplitude modulation”
https://patents.google.com/patent/US20190123832A1/en
https://patents.google.com/patent/US10230353B2/en
US 2019/0036759 “Timing recovery for Nyquist shaped pulses”
https://patents.google.com/patent/US20190036759A1/en
US 2019/0123832 “Phase recovery for signals with quadrature amplitude modulation”
https://patents.google.com/patent/US20190123832A1/en
Semiconductor Optoelectronics
WO 2019/193487 “Semiconductor structure with chirp layer”
https://patents.google.com/patent/WO2019193487A1/en
https://patents.google.com/patent/WO2019193487A1/en
LED Lighting
US 2019/0267356 “Light emitting apparatus with melanopic emission spectrum”
https://patents.google.com/patent/US20190267356A1/en
https://patents.google.com/patent/US20190267356A1/en
Industrial Chemical Processing
US 9,767,992 “Microwave chemical processing reactor”
https://patents.google.com/patent/US9767992B1/en
US 9,812,295 “Microwave chemical processing”
https://patents.google.com/patent/US9812295B1/en
US 10,308,512 “Microwave reactor system with gas-solids separation”
https://patents.google.com/patent/US10308512B2/en
https://patents.google.com/patent/US9767992B1/en
US 9,812,295 “Microwave chemical processing”
https://patents.google.com/patent/US9812295B1/en
US 10,308,512 “Microwave reactor system with gas-solids separation”
https://patents.google.com/patent/US10308512B2/en
3D Printing
US 2020/0001525 “Closed loop print process adjustment based on real time feedback”
https://patents.google.com/patent/US20200001525A1/en
US 2020/0031051 “Multiple image projection system for additive manufacturing”
https://patents.google.com/patent/US20200031051A1/en
https://patents.google.com/patent/US20200001525A1/en
US 2020/0031051 “Multiple image projection system for additive manufacturing”
https://patents.google.com/patent/US20200031051A1/en