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Patent Litigation Consulting and Expert Witness Support

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How do I assess the technical basis of patent infringement claims? Could I make a viable claim of patent infringement? Could my competitor?

Whether your company is a plaintiff or defendant in district court or at the PTAB, an objective analysis of infringement and invalidity of the asserted patents complements the analysis from your company's technical staff and lawyers.  Dan has been engaged by outside counsel and company management as a testifying expert witness and behind the scenes litigation consultant for cases in the U.S. and internationally.  This work includes claim chart development and analysis, competitive product investigation, prior art search and analysis, technical expert report writing and defense, opposing expert deposition support, demonstrative development and Markman hearing and trial testimony.

Leggett & Platt, Inc. v. VUTEk, Inc., No. 4:05 CV 788 (E.D. Mo.)

Validity expert witness for defendant on UV curing inkjet printers.

“Dan was a testifying expert for two related patent litigations, and provided the expertise, report, and testimony that helped us win.”

Partner, IP Litigation Law Firm

VUTEk, Inc. v. Leggett & Platt, Inc., No. 4:07 CV 1886 (E.D. Mo.)

Validity expert witness for plaintiff on UV cure inkjet printing.

Whetstone Electronics LLV v. Epson America, Ind. et. al., No. 6.08 CV 00317 (E.D. Tx.)

Assisted with claim term construction before settlement on printer interface.

John Mezzalingua Associates, Inc. (d/b/a PPC) v. Pace Electronics, Inc., No. 0:10 CV 0064 (Mn.); John Mezzalingua Associates, Inc. (d/b/a PPC) v. Perfect 10 Antenna Company, No. 0:10 CV 0781 (Mn.)

Wrote technical report on coaxial connector infringement and validity. 

Gerber Scientific International, Inc. v. Roland DGA Corporation and Roland DG Corporation (and Countersuit), No. 3:06 CV 2024 (D. Cn.)

Wrote a rebuttal expert report on digital printing technology and was deposed.

PCT International, Inc. v. Holland Electronics, LLC No. 2:12 CV 01797 (Az.)

Wrote technical and rebuttal expert reports on coaxial connector patent validity and infringement, was deposed and testified at trial.

 

 For a current detailed CV for Dan Whittle, request one with the Contact form. 

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