Ms. Shiferman has litigated numerous patent infringement lawsuits in federal courts nationwide and before the International Trade Commission. She has represented Cisco Systems, Hewlett-Packard, Applied Materials, Alere, Alcatel-Lucent, Citrix Systems, Network Equipment Technologies, Firewall, Sophos, OSRAM and Swiss Precision Diagnostics GmbH.
- Sophos in a patent infringement case in the District of Massachusetts filed by RPost. Obtained summary judgment of invalidity.
- Citrix, as trial counsel, in a patent infringement trial in the Eastern District of Texas before Judge Gilstrap. Obtained a jury verdict of non-infringement on patent claims alleging more than $50 million in damages.
- Alcatel-Lucent, as lead counsel, in a patent infringement matter in the District of Delaware. Successfully argued Markman hearing resulting in the patent owner filing a voluntary dismissal with prejudice.
- Cisco in a patent infringement case in the District of Massachusetts involving Ethernet switches filed by a successor to the Thinking Machines patents. Obtained summary judgment of non-infringement for Cisco.
- Network Equipment Technologies, as lead counsel, in a patent infringement case in the District of Delaware resulting in a favorable settlement.
- Cisco in a declaratory judgment relating to Cisco’s Voice-Over-IP technology. Obtained summary judgment of non-infringement for Cisco.
- Hewlett-Packard in a patent infringement matter in the Eastern District of Texas alleging that its media access controllers infringed certain patents. Obtained favorable rulings limiting the products at issue and resulting in a favorable settlement for Hewlett-Packard.
- Hewlett-Packard in a patent infringement matter in the Eastern District of Virginia alleging that modems contained in its products infringed certain patents. Obtained favorable Markman and summary judgment rulings resulting in a favorable settlement.
- Alere Inc., obtaining injunctions and trial victories in a series of cases, including both jury and bench trials, in connection with Alere’s seminal patents on lateral flow immunoassays.
- Applied Materials in connection with a series of litigations in the United States, Taiwan, Korea and Japan relating to equipment and techniques for semiconductor and LCD manufacturing equipment.
- Cisco, obtaining rulings from the U.S. Patent Office on ex parte and inter partes reexaminations invalidating two patents claiming to have invented certain techniques in Voice-Over-IP.
- AgaMatrix, as trial counsel, in the 1075 ITC Investigation, asserting patents involving glucose monitoring systems, resulting in complete victory as judge granted motion for summary judgment.
- OSRAM GmbH, as trial counsel, in the 784 ITC Investigation, asserting patents involving LED light conversion and packaging technology; patent held valid, enforceable and infringed after trial.
- OSRAM GmbH in the 802 ITC Investigation, in which LG Electronic contended that certain OSRAM LEDs and products containing such LEDs infringed eight LG patents. Over the course of the investigation, LG withdrew its contentions with respect to six of the eight patents-in-suit. Prior to the issuance of the ALJ’s decision, the parties entered into a settlement.
- Tessera in the 605 and 649 ITC Investigations. In the 605 Investigation, the Commission found that the respondents infringed the patents-in-suit both directly and indirectly and that the patents were not invalid. The Federal Circuit affirmed.
- Hewlett-Packard in an ITC Investigation alleging infringement of patents relating to disk drive manufacturing resulting in a voluntary dismissal by the patent owner.
Ms. Shiferman is a member of the Boston Bar Association, the American Bar Association, the American Intellectual Property Law Association, the Boston Patent Law Association and the American Inns of Court.