In a new Eastern District of Virginia complaint, Xtone, Inc. has accused Amazon (Amazon Web Services, Amazon.com, Amazon.com Services) (1:25-cv-00772) of infringing six patents described as covering “ground breaking technologies that employ a highly distributed processing architecture, enabling users to access voice application services through local device executed, speech-enabled voice application service instructions”. Targeted is the provision of Amazon Alexa, Amazon Alexa+, and Amazon Alexa Voice Service (AVS), as well as supporting hardware and software products.

Publicly traded Nanoco Technologies Limited has filed a second case over its portfolio of quantum dots patents. In February 2020, the plaintiff targeted Samsung with five of those patents in the US, with litigation also proceeding in China and Germany, that set of disputes settling in February 2023 for $150M. Now, Nanoco has accused LG Electronics (LGE) (2:25-cv-00431) of infringing four of the same patents asserted against Samsung through the provision of “products (e.g., TVs, monitors, laptops, tablets, mobile phones) comprising Quantum Dots” (i.e., those with displays using quantum dots), including products sold under its QNED brand.

This past February, Seiko Epson answered the November 2024 complaint from Baker Laser Technology, LLC, a couple of weeks after which the parties noticed a settlement. Now, Baker Laser has turned to Samsung (2:25-v-00436) with its second complaint, filed in the Eastern District of Texas. Asserted is the same patent—generally related to a “light projecting device” that can connect to a “video generating device” through an interface—with infringement allegations targeting provision of The Premiere, a projector providing “a dramatic home cinema experience”.

So far in April, Comarco Wireless Systems LLC (CWS) has expanded its sole litigation campaign with suits against HP (2:25-cv-00420), Panasonic (2:25-cv-00425), and Staples (2:25-cv-00421), each in the Eastern District of Texas. The three patents-in-suit are broadly directed to a system for supplying power to a portable electronic device. The defendants are accused of infringement over the provision of various products, ranging from laptops to wall chargers, that are compliant with the Battery Charging (BC) 1.2 specification and/or Universal Serial Bus Power Delivery Specification (Revision 2.0).

MR Technologies, GmbH has filed separate complaints against Seagate Technology (with multiple subsidiaries) (0:25-cv-01460) and Toshiba (Toshiba America) (8:25-cv-00786), asserting three patents generally related to magnetic hard disk drives—two of the patents those that a Central District of California jury found Western Digital to have infringed in a July 2024 verdict awarding $262M in damages. The third is a more recently issued member of the same family; MR Technologies has asserted it in a follow-on complaint against Western Digital as well. The plaintiff pleads knowledge based on “widespread attention in the industry”, which it characterizes as “a three-player market” comprised of these three defendants.

Wireless earbuds are the focus of a new litigation campaign, filed by Helical LLC against ASUSTek (2:25-cv-00353), Creative Technology (2:25-cv-00354), Little Bird (2:25-cv-00355), Loyal Deluxe Development (Meizhou Guo Wei Electronics) (2:25-cv-00357), Marshall Group (2:25-cv-00356), OnePlus (2:25-cv-00360), Panasonic (2:25-cv-00361), Samsung (2:25-cv-00362), and Yamaha (2:25-cv-00363). A single patent generally related to an “audio content delivery device” with a “main in-the-ear body portion” is asserted in each complaint, all filed in the Eastern District of Texas.

Last month, RPX noted the transfer of a pair of US patents from Meizu Technology Co. Ltd. to Hypercore Systems LLC, an entity created in Texas in December 2024. Now, Hypercore has filed suit, accusing LG Electronics (LGE) (2:25-cv-00382) in a new Eastern District of Texas complaint of infringing both received assets, one through the provision of “at least the LG OLED G4, LG OLED C4, and LG OLED B4 televisions, among other substantially similar products” and the other, through the provision of “at least the LG Gram Book 15U50T-G.ARS2U1 laptop, and LG OLED G4, LG OLED C4, and LG OLED B4 televisions, among other substantially similar products”.

The Eastern District of Texas case filed by EyesMatch, Ltd. against Samsung was stayed this past December to await the results of inter partes reviews (IPRs) of the two patents-in-suit. Now, Alphabet (Google) (3:25-cv-02964) has filed a complaint asking the Northern District of California for declaratory judgments of noninfringement of the same two patents, noting that while it was not named as a defendant in Texas, EyesMatch “identifie[d] functionality relating to the automatic framing of a user during a video call on the Google Duo and/or Google Meet application” as allegedly infringing the patents-in-suit.

Anadex Data Communications LLC, an Equitable IP Corporation plaintiff, has filed separate Eastern District of Texas cases against AT&T (4:25-cv-00317), Charter Communications (Spectrum Management) (4:25-cv-00321), CenturyLink Communications (4:25-cv-00319), Frontier Communications (4:25-cv-00320), and Verizon (4:25-cv-00322). Throughout this campaign, Anadex has taken aim at the provision of video surveillance systems with a single patent generally related to processing analog video frames. The plaintiff repeats the same articulation of the accused products across this latest round of complaints: “security video camera DVR recording system(s) that have analog inputs as well as analog outputs, which by way of example include, without limitation, Defendant’s set top boxes, cable boxes, digital video recorders, and similar systems”.

The public website of former patent case file-and-settle powerhouse IP Edge LLC may now be under construction, but one of its plaintiffs, Bishop Display Tech LLC, continues to file, this past week hitting BOE Technology (2:25-cv-00309, 2:25-cv-00310) with a pair of Eastern District of Texas complaints. Asserted are separate sets of LCD panel patents, the complaints targeting the provision of BOE liquid crystal modules (LCMs) that incorporate thin-film transistor liquid crystal displays (TFT-LCDs), the TFT-LCDs themselves, and related components and products.