- Representing a network infrastructure provider as the defendant in a district court litigation involving DSL technology. TQ Delta, LLC v. CommScope Holding Co., Inc., et al., No. 2:21-cv-00310 (E.D. Tex.).
- Represented respondent Ericsson against complainant Apple in an ITC investigation concerning 5G technology. Certain Cellular Base Station Communication Equipment, Components Thereof, and Products Containing the Same, ITC Inv. No. 337-TA-1302.
- Represented Signify in two co-pending district court litigations involving LED technologies. Signify N. Am. Corp. et al. v. Satco Prods., Inc., No. 2:19-cv-6125 (E.D.N.Y.) and Satco Prods, Inc. v. Signify N. Am. Corp. et al., No. 6:21-cv-146 (W.D. Tex.).
- Represented Verizon as a defendant in a district court litigation involving mobile telecommunications technology related to cellular handover and emulators. Mobility Workx LLC v. Verizon Communications Inc., et al., No. 4:17-cv-00872 (E.D. Tex.).
- Represented three telecommunications companies as the defendants in a consolidated district court litigation relating to direct sequence, spread spectrum signals. (W.D. Tex.).
- Represented a U.S. cellular carrier as a defendant in a district court litigation relating to base station antenna design. Fractus S.A. v. Verizon Communications Inc., et al., No. 2:18-cv-00138 (E.D. Tex.).
- Represented a U.S. cellular carrier as a defendant in a district court litigation relating to the radio interface in mobile telecommunications networks. Sol IP LLC v. Verizon Communications Inc., et al., No. 2:18-cv-00528 (E.D. Tex.).
- Represented a telecommunications company as a respondent in an ITC investigation relating to optical data transmission in subsea wavelength division-multiplexed (WDM) systems. Certain Subsea Telecommunication Systems and Components Thereof, Inv. No. 337-TA-1098 (ITC).
- Represented a telecommunications company in two inter partes review proceedings relating to optical data transmission in subsea wavelength division-multiplexed (WDM) systems. NEC Corp., et al. v. Neptune Subsea IP Ltd., IPR2018-01161, -01190 (PTAB).
- Representing a telecommunications company as a defendant in two district court litigations involving wireless routing technology. (E.D. Tex.).
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Drawing on her experience as a federal appellate clerk, Darlena is positioned to address her clients’ needs in a variety of forums. Darlena's background in electrical and computer engineering and mathematics allows her to assist leading technology companies in reaching efficient solutions.