Attorneys & Professionals

John F. O'Rourke is a registered patent attorney with over 35 years of experience in the applied sciences, including nearly 25 years as an electrical/computer engineer. He counsels and represents clients in matters concerning technology and intellectual property law, particularly in the areas of patent assertion, validity, right-to-use, claim coverage, infringement, and enforcement; strategic foreign patent filing; design patents and trademark selection; and the identification and preservation of trade secrets.

Mr. O'Rourke has prepared several hundred original U.S. patent applications across a spectrum of technical disciplines, including semiconductor and optical devices, materials, and fabrication; computer, communication and network components, interfaces, systems, and protocols; multidimensional and adaptive signal processing architectures and techniques; embedded systems and multimode human-computer interfaces; operating systems, compilers, and applications programs; biometric, secure communication, and cryptographic systems; biomedical and radiological devices; biological and molecular computing; and simple mechanical devices.

IC- and Computer-Related Experience: Advanced processor and controller architectures: MIMD, SIMD, VLIW, RISC; Multiprocessing and multithreading techniques and strategies; Speculative, branch prediction, and ILP techniques and strategies; Cache memories and buffers: hierarchical, multiport, associative, CAM designs; Shared memory multiprocessing and memory management units; SOC, multi-core and MCM devices and techniques; Electrical, optical, RF/microwave and multimode signaling methods; VLSI design, fabrication, packaging, testing and production: CMOS, GaAs, SiC; Busses, bus interfaces, multilevel signaling, I/O processing and optimization; and Low power methods- power, floor plan, layout, and instruction set to optimization.

Communications and Network Experience: Adaptive signal processing and architectures; spatial and frequency diversity; multidimensional and array signal processing, including image processing; ISO/OSI Reference Model Lay 1 and 2, including PHY & MAC; ISO/OSI Reference Model Layer 3 & 4, including IEEE 802.x; Bluetooth; Signal conditioning and timing management: ADC, A/D filters, VCO, C/PLL; Modulation devices and methods: AM, FM, n-PSK, -FSK, -QAM, -PAM, OFDM; Broadcast/access techniques and architectures: TDMA, FDMA;  Mobile telecommunications networks: 2G/2.5G/3G (IMT-2000); Coding techniques: Reed-Solomon, BCH, Turbo, and Viterbi techniques; Components: FEC; interleavers, constellation map/mux; clocks, CDR, oscillators; and Audio/Video amplifiers, filters, and coding; Acoustic techniques.