Birchtech Corp. v. Arthur J. Gallagher & Co.
| MIDWEST ENERGY EMISSIONS CORP. and BIRCHTECH CORP., fka Midwest Energy Emissions Corp. |
| ARTHUR J. GALLAGHER & CO., GALLAGHER CLEAN ENERGY, LLC., AJG COAL LLC, DTE REF HOLDINGS, LLC, DTE REF HOLDINGS II LLC, CERT COAL HOLDINGS LLC, CERT HOLDINGS LLC, CERT HOLDINGS 2018, LLC, CERT OPERATIONS LLC, CERT OPERATIONS III LLC, CHEM-MOD, LLC, THOMAS HILL REFINED COAL LLC, WAGNER COALTECH LLC, JOHN DOE LLCS, BRANDON SHORES COALTECH LLC, GEORGE NEAL SOUTH REFINED COAL, LLC, HURON REFINED COAL, LLC, CERT OPERATIONS II LLC, CERT OPERATIONS IV LLC, CERT OPERATIONS V LLC, CERT OPERATIONS RCB LLC, SENESCENSE ENERGY PRODUCTS LLC, RUTLEDGE PRODUCTS LLC, SPRINGHILL RESOURCES LLC, BUFFINGTON PARTNERS LLC, BASCOBERT (A) HOLDINGS LLC, LARKWOOD ENERGY LLC, COTTBUS ASSOCIATES LLC and MARQUIS INDUSTRIAL COMPANY, LLC |
| 26-1403 |
| February 2, 2026 |
| U.S. Court of Appeals, Federal Circuit |
| Patent Infringement (Fed. Qst.) |
Docket Report
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| Filing 18 Amended Entry of Appearance for Douglas R. Nemec; Chengming Liu; Leslie A. Demers as counsel for Appellants CERT Operations II LLC, CERT Operations IV LLC, CERT Operations V LLC, CERT Operations RCB LLC, Senescense Energy Products LLC, Rutledge Products LLC, Springhill Resources LLC, Buffington Partners LLC, Bascobert (A) Holdings LLC, Larkwood Energy LLC, Cottbus Associates LLC and Marquis Industrial Company, LLC. Service: 03/09/2026 by email. [1152086] [26-1403] [Douglas Nemec] [Entered: 03/09/2026 08:32 PM] |
Filing 17
ORDER granting motion to modify the official caption [ # 16 ] filed by Appellee Midwest Energy Emissions Corp. The official and short captions are revised as reflected in the order. Service as of this date by the Clerk of Court. [1150848] [NL] [Entered: 03/04/2026 10:07 AM]
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| Filing 16 MOTION of Appellee Midwest Energy Emissions Corp. to modify the official caption. Service: 02/26/2026 by email. [1149728] [26-1403] [Justin Nemunaitis] [Entered: 02/26/2026 01:48 PM] |
| Filing 15 Amended Entry of Appearance for Justin T. Nemunaitis; Bradley W. Caldwell; Aisha Mahmood Haley; James F. Smith; Richard A. Cochrane; Adrienne R. Dellinger as counsel for Appellee Midwest Energy Emissions Corp.. Service: 02/26/2026 by email. [1149726] [26-1403] [Justin Nemunaitis] [Entered: 02/26/2026 01:43 PM] |
| Filing 14 **TEXT ONLY** ORDER granting motion to extend time to file brief [ # 10 ] filed by Appellants CERT Operations II LLC, CERT Operations IV LLC, CERT Operations V LLC, CERT Operations RCB LLC, Senescense Energy Products LLC, Rutledge Products LLC, Springhill Resources LLC, Buffington Partners LLC, Bascobert (A) Holdings LLC, Larkwood Energy LLC, Cottbus Associates LLC and Marquis Industrial Company, LLC. The opening brief is due 05/18/2026. Service as of this date by the Clerk of Court. This order has been issued without an attached document and is official and binding. [1149207] [MMA] [Entered: 02/24/2026 01:32 PM] |
| Filing 13 Corrected Entry of Appearance for Douglas R. Nemec; Chengming Liu as counsel for Appellants CERT Operations II LLC, CERT Operations IV LLC, Bascobert (A) Holdings LLC, CERT Operations V LLC, CERT Operations RCB LLC, Senescense Energy Products LLC, Rutledge Products LLC, Springhill Resources LLC, Buffington Partners LLC, Larkwood Energy LLC, Cottbus Associates LLC and Marquis Industrial Company, LLC. Service: 02/23/2026 by email. [1148839] [26-1403] [Douglas Nemec] [Entered: 02/23/2026 02:22 PM] |
| Filing 12 NOTICE OF NON-COMPLIANCE: The submission of Appellant CERT Operations II LLC, Entry of Appearance [ # 6 ], is not in compliance with the rules of this court (see attached). Compliant document due on 02/26/2026. Service as of this date by the Clerk of Court. [1148207] [MMA] [Entered: 02/19/2026 04:58 PM] |
| Filing 11 NOTICE OF NON-COMPLIANCE: The submission of Appellee Midwest Energy Emissions Corp., Entry of Appearance; Certificate of Interest [ # 2 ], [ # 3 ], is not in compliance with the rules of this court (see attached). Compliant document due on 02/26/2026. Service as of this date by the Clerk of Court. [1148191] [MMA] [Entered: 02/19/2026 04:41 PM] |
| Filing 10 MOTION of Appellants Bascobert (A) Holdings LLC, Buffington Partners LLC, CERT Operations II LLC, CERT Operations IV LLC, CERT Operations RCB LLC, CERT Operations V LLC, Cottbus Associates LLC, Larkwood Energy LLC, Marquis Industrial Company, LLC, Rutledge Products LLC, Senescense Energy Products LLC and Springhill Resources LLC to extend the time to 05/18/2026 to file brief. Service: 02/17/2026 by email. [1147799] [26-1403] [Douglas Nemec] [Entered: 02/17/2026 08:11 PM] |
| Filing 9 Certificate of Interest for Appellants CERT Operations RCB LLC, Bascobert (A) Holdings LLC, Buffington Partners LLC, CERT Operations II LLC, CERT Operations IV LLC, CERT Operations V LLC, Cottbus Associates LLC, Springhill Resources LLC, Larkwood Energy LLC, Marquis Industrial Company, LLC, Rutledge Products LLC and Senescense Energy Products LLC. Service: 02/17/2026 by email. [1147794] [26-1403] [Douglas Nemec] [Entered: 02/17/2026 07:54 PM] |
| Filing 8 Notice of Related Case Information for Appellants Bascobert (A) Holdings LLC, Buffington Partners LLC, CERT Operations II LLC, CERT Operations IV LLC, CERT Operations RCB LLC, CERT Operations V LLC, Cottbus Associates LLC, Larkwood Energy LLC, Marquis Industrial Company, LLC, Rutledge Products LLC, Senescense Energy Products LLC and Springhill Resources LLC. Service: 02/17/2026 by email. [1147793] [26-1403] [Douglas Nemec] [Entered: 02/17/2026 07:48 PM] |
| Filing 7 Docketing Statement for the Appellants Bascobert (A) Holdings LLC, Buffington Partners LLC, CERT Operations II LLC, CERT Operations IV LLC, CERT Operations RCB LLC, CERT Operations V LLC, Larkwood Energy LLC, Senescense Energy Products LLC, Springhill Resources LLC, Cottbus Associates LLC, Marquis Industrial Company, LLC and Rutledge Products LLC. Service: 02/17/2026 by email. [1147792] [26-1403] [Douglas Nemec] [Entered: 02/17/2026 07:36 PM] |
| Filing 6 Entry of Appearance for Douglas R. Nemec; Chengming Liu as counsel for Appellants CERT Operations V LLC, CERT Operations IV LLC, CERT Operations RCB LLC, CERT Operations II LLC, Senescense Energy Products LLC, Rutledge Products LLC, Springhill Resources LLC, Buffington Partners LLC, Bascobert (A) Holdings LLC, Larkwood Energy LLC, Cottbus Associates LLC and Marquis Industrial Company, LLC. Service: 02/17/2026 by email. [1147787] [26-1403] This document is non-compliant. See Doc No. [ # 12 ] [Douglas Nemec] [Entered: 02/17/2026 07:04 PM] |
| Filing 5 Docketing Statement for the Appellee Midwest Energy Emissions Corp.. Service: 02/17/2026 by email. [1147786] [26-1403] [Justin Nemunaitis] [Entered: 02/17/2026 06:41 PM] |
| Filing 4 Notice of Related Case Information for Appellee Midwest Energy Emissions Corp.. Service: 02/17/2026 by email. [1147785] [26-1403] [Justin Nemunaitis] [Entered: 02/17/2026 06:39 PM] |
| Filing 3 Certificate of Interest for Appellee Midwest Energy Emissions Corp.. Service: 02/17/2026 by email. [1147784] [26-1403] [Justin Nemunaitis] [Entered: 02/17/2026 06:37 PM] |
| Filing 2 Entry of Appearance for Justin T. Nemunaitis; Bradley W. Caldwell; Aisha Mahmood Haley; James F. Smith as counsel for Appellee Midwest Energy Emissions Corp.. Service: 02/17/2026 by email. [1147783] [26-1403] This document is non-compliant. See Doc No. [ # 11 ] [Justin Nemunaitis] [Entered: 02/17/2026 06:35 PM] |
| Filing 1 Appeal docketed. Received: 01/28/2026. [1144370] Entry of Appearance due 02/17/2026. Certificate of Interest is due on 02/17/2026. Docketing Statement due 02/17/2026. Appellant's brief is due 04/03/2026. [MMA] [Entered: 02/02/2026 01:06 PM] |
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