The team at Unified is using Pearl to identify and chart prior art against patents owned by App-Pop-Up Incorporated. The patents describe methods to simultaneously display multiple graphical user interfaces (GUIs) on the same screen. For more details, contact info@unifiedpatents.com.
$2,000 for GridScale Solutions distributed inverter patent prior art
Unified Patents added a new PATROLL contest, with a $2,000 cash prize, seeking prior art on at least claim 1 of U.S. Patent 8,842,454, owned and asserted by GridScale Solutions, LLC, an NPE and entity of PowerBridge Networks, LLC. The '454 patent relates to a distributed photovoltaic inverter architecture. It describes many small inverters, each connected to a respective DC source such as a PV cell or cell group, that collectively supply AC power to a load or grid.
The contest will expire on October 9, 2026. Please visit PATROLL for more information and to submit an entry for the contest. PATROLL researchers are required to use Pearl to generate claim charts. Submitted invalidity charts must address every limitation of the challenged claim. This may require using more than one prior art reference. Each PATROLL researcher can generate up to 30 invalidity claim charts per month using Pearl. These charts can be downloaded then submitted to PATROLL.
Trenda Innovations media messaging patents being investigated
The team at Unified is using Pearl to identify and chart prior art against patents owned by Trenda Innovations, Inc., an NPE. Trenda has used several patents in suit accusing multimedia posting, messaging, and chat functionality across multiple digital media types. For more details contact info@unifiedpatents.com.
Validity of Encryptawave Tech patent being investigated
The team at Unified is using Pearl to identify and chart prior art against a patent owned by Encryptawave Technologies LLC, an NPE and entity of Inferential Capital LLC. Encryptawave Technologies has sued several companies accusing products with Wi-Fi networks using WPA2 security, which is based on the IEEE 802.11i standard. For more details contact info@unifiedpatents.com.
PulseLink networking patent prior art found
The team at Unified used Pearl to successfully identify and chart prior art against U.S. Patent 7,941,677, owned by PulseLink Systems, LLC, an NPE. The ‘677 patent relates to a network device that intelligently manages power from multiple sources, including Power over Ethernet and an independent power supply. The patent has been asserted against HPE.
Identified Prior Art
