Invalidity dossier
US 9722104
Added 6/15/2026, 12:01:45 AM
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Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
Here is a concise summary of US patent 9722104:
US Patent Number: 9722104
Title: Solar cell and method for manufacturing the same
Current Assignee: Trina Solar Co Ltd
Original Assignee: LG Electronics Inc
Inventors: Jungmin Ha, Sungjin Kim, Juhwa CHEONG, Junyong Ahn, Hyungwook Choi, Wonjae CHANG, Jaesung Kim
Filing Date: November 27, 2015
Issue Date: August 1, 2017
Abstract:
A solar cell includes a semiconductor substrate, a tunnel layer on the first surface of the semiconductor substrate, a first conductive type semiconductor region on the tunnel layer and configured to include impurities of a first conductive type, a second conductive type semiconductor region on a second surface which is the opposite surface of the semiconductor substrate and configured to include impurities of a second conductive type opposite the first conductive type, a first passivation film on the first conductive type semiconductor region, a first electrode formed on the first passivation film and connected to the first conductive type semiconductor region through an opening portion formed in the first passivation film, a second passivation film on the second conductive type semiconductor region, and a second electrode formed on the second passivation film and connected to the second conductive type semiconductor region through an opening portion formed in the second passivation film.
Plain-Language Overview of Each Independent Claim:
The full text of the patent's claims was not provided in the source material, therefore a plain-language overview of each independent claim cannot be provided at this time.
CAFC 2026 Dockets:
No specific cases directly related to US patent 9722104 were found in the 2026 dockets of the U.S. Court of Appeals for the Federal Circuit from the conducted search. However, the patent family has been involved in several litigations, including cases filed in the International Trade Commission (e.g., 337-TA-1422, 337-TA-3773, 337-TA-1425) and PTAB (e.g., IPR2025-00918, IPR2025-00186, IPR2025-00007), and District Courts (Delaware and California Central). Decisions from these bodies are sometimes appealed to the Federal Circuit.
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