REPRESENTATIVE EXPERIENCE
David Tsai
Patent Litigation
Represented a home furnishings company in a trademark infringement lawsuit involving competing window-covering brands, prevailing at trial with a jury verdict of non-infringement and no unfair competition in favor of the client.
Represented a global networking and communications company in a patent infringement dispute against a software company, securing a favorable settlement within months of the complaint being filed.
Represented a leading semiconductor manufacturer in multiple patent infringement lawsuits involving fabrication technologies, successfully transferring the cases from the Eastern District of Texas to the Northern District of California and obtaining dismissal for lack of standing.
Represented a major US auto parts retailer, a global auto parts distributor, and a Chinese electronics manufacturer in a patent infringement, trade secret, and inventorship lawsuit involving portable modular power station technology.
Represented internet software companies in a patent infringement action involving cloud computing data storage technology.
Represented a major US online retailer in declaratory judgment and patent infringement actions involving electronic catalog system technology.
Represented the developer of a mobile application in a patent infringement lawsuit against a major social media company involving video overlay technology.
Represented a Taiwanese multinational networking equipment company in a patent infringement lawsuit involving wireless access provisioning technology, securing a favorable settlement within six months of the complaint being filed.
Represented a world leading bicycle company in a patent infringement action involving exercise equipment technology.
Represented a data center products manufacturer in a patent infringement lawsuit involving five asserted patents.
Represented a Taiwanese consumer electronics manufacturer in multiple patent infringement disputes and related inter partes review proceedings, securing a favorable settlement.
Represented a Taiwanese flash drive manufacturer in a patent infringement dispute involving USB flash drive technology.
Represented a leading computer hardware manufacturer in a patent infringement lawsuit involving wireless communications technology.
Represented a Taiwan-based computer manufacturer in a patent infringement lawsuit involving 11 asserted patents relating to computer technologies.
Represented a network-attached storage appliance manufacturer in a patent infringement lawsuit, securing a favorable settlement within six months of the complaint being filed.
Represented a telecommunications equipment company in a patent infringement lawsuit involving spread-spectrum high-data-rate technology, securing a favorable settlement within two months of the complaint being filed.
Represented a leading semiconductor company in a multi-patent lawsuit involving system-on-chip technology supplied to tablet manufacturers.
Represented a Taiwanese multinational networking equipment company in a multi-patent lawsuit involving networking and communications devices.
Represented a leading sugar-reduction solutions company in a patent infringement lawsuit involving highly soluble stevia sweeteners.
Co-led a countersuit on behalf of a major Taiwanese handset manufacturer against a major US computer manufacturer in patent litigation involving operating systems and mobile handset technology.
Represented a major Taiwanese LED manufacturer in a patent infringement action involving LED manufacturing technology.
Represented the one of the world's largest sporting goods company in a patent infringement action involving altimeter technology.
Represented a leading flash drive manufacturer in a patent infringement dispute involving USB flash drive technology.
Represented one of the world's largest connector manufacturers in litigation involving breach of contract and related claims concerning USB 3.0 technology.
Represented a major television supplier in patent litigation involving MPEG-2 and ATSC technologies.
Represented a leading global computer and optical disk drive manufacturers in patent litigation involving optical disk drive technology.
Represented a leading global disk drive manufacturer in a patent infringement action involving Blu-ray technology.
Represented a leading US software provider in a patent infringement action involving seven asserted patents related to set-top-box technology.
Represented a leading Korean semiconductor company in a patent infringement and unfair competition action involving dynamic random-access memory (DRAM) technology.
Represented a major Japanese printing equipment manufacturer in a patent infringement action involving printer and copier technology.
Represented a leading pet products company in design patent infringement litigation involving cat home products.
Life Sciences
Represented one of the largest US generic pharmaceutical companies in Hatch-Waxman litigation involving generic versions of the branded oral contraceptive YAZ.
Represented one of the largest US generic pharmaceutical companies in Hatch-Waxman litigation involving generic versions of the branded oral contraceptive Yasmin, obtaining dismissal with prejudice of the patent infringement claims on a motion for judgment on the pleadings.
Represented one of the largest US generic pharmaceutical companies in Hatch-Waxman litigation involving generic versions of the branded oral contraceptive SEASONIQUE.
Represented a brand-name pharmaceutical company in a Hatch-Waxman patent infringement action involving CARDENE I.V., a treatment for hypertension.
Represented a major biotechnology company in litigation involving patents directed to human cytomegalovirus (CMV) regulatory sequences.
Copyright Litigation
Represented a leading US research university and one of its professors in a copyright infringement action, obtaining dismissal of all claims against the clients.
Represented a major US lighting retailer in a copyright infringement action.
Trade Secret Litigation
Represented a leading US research university and one of its professors in trade secret litigation involving cannabis technology.
Represented a leading US research university, one of its professors, and associated employees in trade secret and breach of contract litigation involving cancer therapeutics technology.
Represented a major electronics manufacturer in a trade secret misappropriation dispute involving power supply technology.
Represented a leading US research university in litigation involving trade secret, breach of contract, and unfair competition claims related to cancer diagnostic technology, securing a successful outcome for the client.
Represented a kiosk technology manufacturer in trade secret litigation against a competitor, securing a favorable result for the client.
Represented one of the world's largest cable modem router manufacturers and its employees in litigation involving trade secret, breach of contract, and unfair competition claims related to cable modem technology, securing a favorable result for the clients.
Represented a senior scientist in arbitration involving allegations of trade secret misappropriation related to semiconductor materials, prevailing after a two-week evidentiary hearing.
International Arbitration
Represented a California corporation in international arbitration involving breach of contract claims against multinational companies.
Represented a Taiwanese motherboard manufacturer in an international arbitration involving product defect claims brought by a German computer manufacturer, prevailing after a five-day hearing.
Represented a Taiwanese camera manufacturer in an international arbitration involving claims for unpaid products and excess components, securing a favorable outcome for the client.
Breach of Contract
Represented a Fortune 500 engineering and construction services company in consolidated fraud and breach of contract litigation arising from a software implementation agreement.
Represented a Taiwanese motherboard manufacturer and its US subsidiary in litigation involving fraud, breach of contract, and related claims asserted by a major electronics retailer.
Represented a Taiwanese communications equipment manufacturer in litigation involving claims for unpaid products and excess components, securing a favorable outcome for the client.
Represented an electronics manufacturer in litigation involving claims for unpaid products and excess components, securing a favorable outcome for the client.
Represented a leading cloud infrastructure provider in litigation involving claims for unpaid products and excess components, securing a favorable outcome for the client.
