Attorney Profiles

John F. O'Rourke is a registered patent attorney with nearly 40 years of overall experience in the applied sciences, including nearly 30 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; biometric, biomedical, bioengineering, and radiological devices; operating systems, compilers, and applications programs; secure communication, and cryptographic systems; biological and molecular computing; and simple mechanical devices.

IC- and Computer-Related Experience: Advanced processor and controller architectures: MIMD, SIMD, VLIW, RISC, NUMA, superscalar, dataflow, and reconfigurable; 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 management, floor plan, layout, and instruction set to optimization.

Communications and Network Experience: Adaptive signal processing and architectures;  multidimensional and array signal processing, including image processing; spacial and frequency diversity; RADAR and microwave techniques; ISO/OSI Reference Model Lay 1 and 2, including PHY & MAC; ISO/OSI Reference Model Layer 3 & 4, including IEEE 802.x, Bluetooth, Zigbee; mesh and swarm implementations, signal conditioning and timing management: ADC, analog and digital filters, VCO, PLL; modulation devices and methods: AM, FM, n-PSK, -FSK, -QAM, -PAM, OFDM; Broadcast/access techniques and architectures: TDMA, FDMA;  mobile wireless and cellular telecommunications systems and networks: 2G/2.5G/3G/4G; coding techniques: Reed-Solomon, BCH, turbo, LDPC and Viterbi techniques; components: FEC, tranceivers, interleavers, constellation map/mux; clocks, CDR, oscillators; and audio/video amplifiers, filters, and coding; acoustic techniques.