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Derek Casper

Patent Attorney

Derek Casper is a registered patent attorney with extensive experience in patent prosecution, patent litigation, patent licensing, and IP due diligence.  He has represented a broad range of clients from multi-national Fortune 100 companies to individual inventors.  Derek has performed legal work in a variety of technologies including microprocessors, semiconductor memory, storage devices, touch sensors and controllers, wired and wireless network transport protocols and devices, cellular telephone protocols (including LTE and LTE-A), hybrid vehicle control systems, mechanical apparatuses, software, business methods, and many others.


Derek’s prosecution experience includes drafting and prosecuting hundreds of US, PCT, and foreign patent applications.  His prosecution work includes pre-filing patentability assessments, pre-appeal and appeal procedures, and post grant procedures, including extensive experience with reissue applications. Derek has participated in numerous aspects of patent litigation, including initial case assessment, pleadings, discovery management, prior art searching, invalidity and infringement contentions, inter partes review filing strategy, and claim construction briefing.  Derek’s licensing experience includes drafting patent license agreements, mining portfolios for assertable patent assets, drafting claim charts on identified targets, developing infringement and validity arguments in support of asserted patent assets, and rebutting non-infringement and invalidity arguments.  He has also reviewed patent portfolios and IP agreements for small and large scale IP acquisitions and written opinion letters focusing on invalidity and non-infringement.


Prior to joining Alliance IP, Derek worked at a large multi-national firm, a boutique law firm, and as an in-house attorney for one of the world’s largest patent licensing companies, where he led patent drafting, patent procurement, and patent licensing support efforts for several portfolios of worldwide patent assets in the semiconductor and telecom space.  Prior to beginning his legal career, Derek worked in a research and development group at a large multi-national corporation focusing on high speed interconnect schemes and microprocessor cache memory.


J.D., University of Virginia, Law Review

B.S., Brigham Young University, Electrical Engineering, magna cum laude


State Bar of Texas

United States Patent and Trademark Office

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