Berkshire Hathaway Energy Company et al. vs. MES, Inc.
Explore the PTAB proceeding IPR2025-00280 filed by Berkshire Hathaway Energy Company et al. on 2025-01-24. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.
Proceeding Overview
Proceeding Number
IPR2025-00280
Filing Date
2025-01-24
Accorded Filing Date
2025-01-24
Institution Decision Date
2026-05-18
Last Modified Date
2026-09-10
Proceeding Type
IPR
Termination Date
—
Trial Status
Trial Instituted
Parties & Counsel
Petitioner
Berkshire Hathaway Energy Company et al.
Represented By
Oaks, Brianet alPatent Owner / Respondent
MES, Inc.
Represented By
Hamad, Hamadet alTribunal & Venue
Tribunal
Patent Trial and Appeal Board (USPTO)
Technology Center
TC 1700 - Chemical & Materials Engineering
Patent Information
Address and Attorney/Agent Information
Power of Attorney & Correspondence
Attorney / Agent Information
| Reg # | Name | Phone |
|---|---|---|
| 25816 | Michael Schwegman | 612-373-6901 |
| 30568 | Steven Lundberg | 612-373-6900 |
| 30837 | Bradley Forrest | 612-373-6900 |
| 30871 | Michael Lynch | 512-628-9320 |
| 33024 | J Parker | 847-432-7302 |
| 33501 | Eric Gifford | 520-760-1754 |
| 35901 | Pamela Huff | 512-492-4613 |
| 36530 | Gregory Gorrie | 612-371-2191 |
| 36776 | David D'Zurilla | 612-373-6900 |
| 37650 | Janal Kalis | 612-373-6900 |
| 38377 | Marvin Beekman | 612-373-6900 |
| 39610 | Timothy Bianchi | 612-373-6900 |
| 39665 | Janet Embretson | 612-961-7503 |
| 39838 | Russell Slifer | 208-794-3901 |
| 40099 | Tyler Nasiedlak | 612-373-6920 |
| 41246 | Andrew Peret | 262-646-7009 |
| 41388 | Susan Yee | 408-278-4057 |
| 42267 | Suneel Arora | 612-373-6900 |
| 42419 | Frank Cire | 626-221-5465 |
| 42535 | Craig Fischer | 818-436-1338 |
| 42626 | Marc Hanish | 612-373-6900 |
| 42832 | Peter Maki | 612-373-6900 |
| 42989 | Monique Perdok | 612-373-6900 |
| 45229 | Aaron Wininger | 408-278-4059 |
| 45416 | Viet Tong | 612-373-6900 |
| 45535 | Joseph Mehrle | 513-942-0224 |
| 45742 | Anthony Josephson Jr | 919-238-2300 |
| 46193 | Anthony Curtis | 612-373-6900 |
| 46632 | David Cochran | 612-373-6900 |
| 47059 | Bradley Scheer | 408-278-4040 |
| 47857 | David Peterson | 612-373-6900 |
| 48095 | Andre Marais | 408-278-4040 |
| 48200 | Francois Devilliers | 831-419-9589 |
| 48735 | Ricardo Moran | 612-373-6900 |
| 49097 | Thierry Lo | 949--35-4-0200 |
| 51203 | Timothy Paul | 612-373-6900 |
| 51458 | Ognyan Beremski | 612-373-6900 |
| 52036 | Michael Mischnick | 612-359-3270 |
| 53719 | Mark Vatuone | 408-846-8871 |
| 54393 | Steven Reid | 612-371-2185 |
| 54439 | James Shands | 612-373-6900 |
| 54785 | Trevor Lind | 512-492-6408 |
| 55150 | Nathan Elder | 612-373-6900 |
| 55506 | Thomas Obermark | 612-373-6900 |
| 55666 | Zhengnian Tang | 612-373-6965 |
| 55842 | Daniel Mertes | 612-359-3279 |
| 56264 | Christopher Wolfe | 30933006428 |
| 56867 | John Magluyan | 949-757-7124 |
| 57166 | Ronald Gerber | 612-373-2198 |
| 57313 | Garth Vivier | 408-278-4041 |
| 57978 | Adina Loewy | 201-794-1536 |
| 58333 | Gall Gotfried | 917-475-6313 |
| 58351 | Paul Urbanski | 612-373-6900 |
| 58401 | Raquel Pacheco | 612-373-6900 |
| 59215 | Robert Hirning | 612-371-2110 |
| 59481 | Timothy Christman | 612-359-3274 |
| 59660 | Douglas Portnow | 408-660-2979 |
| 59733 | Gregory Grace | 612-373-6900 |
| 59979 | Jose Nunez | 212-336-8001 |
| 60296 | Adam Kiedrowski | 612-373-6900 |
| 60817 | Stephen Komarec | 612--37-3-6927 |
| 60826 | Edward Sandor | 612-373-6900 |
| 60900 | John Fischer | 612-373-6900 |
| 60948 | Nathan Witzany | 612-371-2184 |
| 61123 | Joseph Wang | 415.362.2928 |
| 62649 | David Buck | 612-373-6900 |
| 62660 | Kirt Iverson | 408-660-2016 |
| 62731 | Gregory Stark | 407-841-2343 |
| 63081 | Laurie Young | 612-568-6163 |
| 63561 | James Hallenbeck | 612-373-6938 |
| 63803 | Nicholas Lanzatella | 651-349-9580 |
| 63890 | Eric Andersland | 612-371-2128 |
| 64438 | Jessica Mcdonald | 516-697-4828 |
| 64448 | Brett Klein | 612-604-6392 |
| 64790 | Triet Nguyen | 408-278-4040 |
| 64938 | Adeel Haroon | 612-349-9597 |
| 65338 | Anup Suresh | 408-660-2977 |
| 65481 | Nathan Ellefson | 612-373-6900 |
| 66058 | Domenico Ippolito | 408-278-4040 |
| 66520 | Rigel Menard | 612-371-2136 |
| 66559 | Sabine Volkmer Ward | 612-373-6900 |
| 66685 | Timothy Grathwol | 612-373-6900 |
| 67101 | Justin Mccarthy | 612--35-9-3260 |
| 67888 | Garrett Hall | 408-679-0850 |
| 68464 | Piers Blewett | 404-538-9552 |
| 68912 | Keith Lim | 822-301-6 5040 |
| 68948 | Alexis Liistro | 206-757-8025 |
| 69054 | Joseph Williams | 612-373-6942 |
| 69466 | Jeffrey Cobia | 612-373-6900 |
| 69483 | Christopher Palmisano | 612-373-6926 |
| 70140 | Jacobus Loock | 512-492-6410 |
| 70355 | Eric Little | 612-373-6900 |
| 70481 | William Kalweit | 612-359-3266 |
| 70950 | Ricardo Yepez | 612-373-6900 |
| 71874 | Linh-Han Hoang Nguyen | 612-373-6900 |
| 72357 | Aris Gregorian | 612-373-6900 |
| 72945 | Lucas Hjelle | 612-359-3269 |
| 73344 | Justin Wang | 832-868-8869 |
| 73684 | Eric Bachinski | 612-371-2171 |
| 74294 | Anthony Wilkie | 952-221-3533 |
| 74611 | Ryan Connell | 612-373-6900 |
| 75610 | Dan Li | 612-373-6945 |
| 75730 | Matthew Norwood | 612-373-6900 |
| 76406 | Megha Eswaran | 408-278-4040 |
| 76612 | Philip Alford | 612-373-6900 |
| 77346 | Yuhao Liang | 408-660-2001 |
| 77794 | Anthony Salmo | 612-387-3538 |
| 78632 | Jerome Sundin | 612-359-3261 |
| 800066 | Vanessa Pessoa | 612-373-6900 |
| 80798 | Eric Phillips | 612-371-2180 |
| 81598 | Mark Kallevig | 320-630-4356 |
| 82094 | John Swart | 612-371-2147 |
| L1308 | Jingyuan Nan | 408-660-2986 |
Proceeding Documents
200Ex. 3005 Exhibit
Joint Motion to Expunge Confidential Information from the Record MOTION
TERMINATION Due to Settlement After Institution of Trial Granting Joint Request to Treat Settlement Agreement as Business Confidential Information 35 U.S.C. § 317; 37 C.F.R. §§ 42.72, 42.74 TERMINATE
Joint Motion to Terminate MOTION
Joint Request to Treat Final Settlement Agreement of Patent Owner and Berkshire-Hathaway Energy Company and PacifiCorp as Business Confidential Information OTHER
Joint Motion to Seal Institution Decision MOTION
Joint Redactions to Institution Decision (Paper 85) OTHER
Notice of Stipulation to Modify Due Dates NOTICE
Petitioners' Objections to Evidence OTHER
Notice of Stipulation to Modify Due Dates NOTICE
Order: Amending Scheduling Order 37 C.F.R. sec. 42.5 ORDER
Notice of Stipulation to Modify Due Dates NOTICE
Notice of Stipulation to Modify Due Dates NOTICE
Joint Request for Oral Argument OTHER
Notice of Stipulation to Modify Due Dates NOTICE
Ex. 1161 - Colstrip Steam Electric Station - Talen Energy Exhibit
Petitioners' Motion to Seal MOTION
Ex. 1162 - Delaware ECF 214 Exhibit
Ex. 1163 - Delaware ECF 253, 263 Exhibit
Ex. 1166 - Correspondence re Operating Agreement Exhibit
Ex. 1165 - Delaware ECF 280 Exhibit
Ex. 1164 - Delaware ECF 279 Exhibit
Director Review Decision Remanding to the Board DECISION
Exhibit 2057 Exhibit
Exhibit 2058 Exhibit
Patent Owner's Motion to Seal MOTION
Exhibit 2063 Exhibit
Petitioners' Motion to Seal MOTION
Declaration of Dr. Stephen Niksa (Mar. 13, 2026) Exhibit
Deposition Transcript of J. Edward Cichanowicz, Ph.D. (Mar. 5, 2026) Exhibit
Redacted Deposition Transcript of Edwin Olson (including pg. 100) Exhibit
Petitioners' Reply to Patent Owner Response OTHER
Comparison of Figures from 60/605,640 and 2009/0062119 Exhibit
Deposition Transcript of John Pavlish (Feb. 26, 2026) Exhibit
U.S. Patent Publication 2009/0062119A1 to Olson et al. Exhibit
ORDER Denying Patent Owner’s Motion to Terminate 37 C.F.R. § 42.5 ORDER
Patent Owner’s Notice of Deposition for Brad Richards NOTICE
Patent Owner’s Notice of Deposition for David Cabello NOTICE
Declaration of Brad Richards Exhibit
Petitioners’ Updated Exhibit List NOTICE
Puget Sound Energy, Colstrip Facts Exhibit
Declaration of Jennifer A. McIvor Exhibit
Petitioners' Notice of Deposition of J. Edward Cichanowicz NOTICE
Petitioners' Notice of Taking Corporate Representative Deposition of Patent Owner NOTICE
Patent Owner’s Notice of Deposition for Jennifer A. McIvor NOTICE
Notice of Deposition of John Pavlish NOTICE
Joint Notice of Stipulation to Scheduling Order OTHER
Order: Conduct of Proceeding ORDER
Ex 3004 Exhibit
Ex. 3107 Email correspondence Exhibit
Petitioners’ Authorized Response to Patent Owner’s Motion to Terminate OTHER
Exhibit 3106 Email correspondence Exhibit
Patent Owner's Motion to Terminate MOTION
Ex. 3003 Exhibit
ORDER Conduct of Proceeding 37 C.F.R. § 42.5 and 42.51(b)(2) ORDER
TERMINATION Due to Settlement After Institution of Trial and Granting Request to Treat Settlement Agreement as Business Confidential Information 35 U.S.C. § 317; 37 C.F.R. §§ 42.72, 42.74 TERMINATE
Panel Change Order ORDER
Petitioners’ Authorized Response to Patent Owner’s Motion for Additional Discovery Regarding RPI and Privity Issues OPPOSITION
Ex. 3002 Exhibit
Ex. 3001 Exhibit
Patent Owner's Motion to Seal MOTION
Patent Owner's Authorized Motion for Additional Discovery Regarding RPI and Privity Issues MOTION
Rebuttal Expert Report of Philip O'Keefe_2022-12-20 Exhibit
Stephen Niksa , PhD Depo Transcript_2025-11-20 Exhibit
Cichanowicz Expert Declaration Exhibit
Cichanowicz CV Exhibit
Pavlish declaration_2025-12-12 Exhibit
Order Denying Patent Owner’s Requests for Director Review without Prejudice and Remanding to the Board for Further Proceedings DECISION
Patent Owner's email requesting authorization to file a motion for additional discovery Exhibit
Notice of Stipulation to Modify Due Dates NOTICE
Patent Owner's Notice of Deposition for Stephen Niksa, Ph.D. NOTICE
Redacted - Contract for Purchase of Refined Coal (MEC001747) Exhibit
Redacted - License and Services Agreement (WEC000001) Exhibit
Public - 2022-10-25 Opening Expert Report of S Niksa_Part2 Exhibit
Redacted - Refined Coal Supply Agreemen (ALLIANT-ME2C-004484) Exhibit
Redacted - Contract for Purchase of Refined Coal (MEC001832) Exhibit
Public - 2022-10-25 Opening Expert Report of S Niksa_Part1 Exhibit
Redacted - 2024-12-23 0139-007 - Ex.22 - Parts 1 & 2 Exhibit
Redacted - Contract for Purchase of Refined Coal (MEC001954) Exhibit
Redacted - Contract for Purchase of Refined Coal (MEC001916) Exhibit
Joint Request to Treat Final Settlement Agreement of Patent Owner and MidAmerican Energy Company as Business Confidential Information MOTION
Joint Motion to Terminate Proceeding as to MidAmerican Energy Company MOTION
PUBLIC VERSION - DECISION Granting Institution of Inter Partes Review 35 U.S.C. § 314 NOTICE
Order: TERMINATION Due to Settlement After Institution of Trial and Granting Request to Treat Settlement Agreement as Business Confidential Information 35 U.S.C. § 317; 37 C.F.R. §§ 42.72, 42.74 ORDER
Ex. 3104 Exhibit
MEMORANDUM OPINION ORDER Denying CERT JMOL_Dkt. 0791 Exhibit
Ex. 3103 Exhibit
Petitioners’ Updated Exhibit List OTHER
In re: Midwest Energy Emissions Corp. Patent Litig., No. 4:24-MD-03132-SHL-WPK, Order Granting Joint Motions to Stay, 10/13/2025 Exhibit
In re: Midwest Energy Emissions Corp. Patent Litig., No. 4:24-MD-03132-SHL-WPK, Joint Motion to Stay, 10/3/2025 Exhibit
Joint Motion to Terminate Proceeding as to WEC Energy Group, Inc. MOTION
Redacted Patent Owner's Sur-Reply in Support of Preliminary Response OTHER
Joint Request to Treat Final Settlement Agreement of Patent Owner and WEC Energy Group, Inc. as Business Confidential Information MOTION
Redacted Patent Owner's Preliminary Response OTHER
Redacted Patent Owner's Reply to Petitioners' Discretionary Denial Brief OTHER
ORDER Conduct of the Proceeding 37 C.F.R. § 42.5 ORDER
Authorized Response to Director Review Request OTHER
Ex. 3102 Counsel email for Authorized Response Exhibit
Patent Owner's Request for Director Review REQUEST
General Order: Related Matters Updates ORDER
Motion to Withdraw Petitioner Berkshire Hathaway Energy Company's Counsel MOTION
Petitioner Berkshire Hathaway Energy Company's Revocation of Power of Attorney and Appointment of New Power of Attorney NOTICE
Petitioner Berkshire Hathaway Energy Company's Revised Mandatory Notices Pursuant to 37 C.F.R. § 42.8(a)(3) NOTICE
Order: Scheduling Order ORDER
Order: Termination as to one party ORDER
Joint Motion to Treat Final Settlement Agreements of Patent Owner and Interstate Power & Light Co. and Wisconsin Power & Light Co. as Business Confidential Information MOTION
Joint Motion to Terminate Proceeding as to Interstate Power & Light Co. and Wisconsin Power & Light Co. MOTION
Petitioner, PacifiCorp's, Updated Mandatory Notices NOTICE
Petitioner, PacifiCorp's, Power of Attorney NOTICE
Panel Change Order ORDER
Patent Owner's Motion to Seal MOTION
ORDER Granting Patent Owner’s Motions for Pro Hac Vice Admission of Justin T. Nemunaitis and Richard Cochrane 37 C.F.R. § 42.10(c) ORDER
Petitioner's Authorized Reply to Patent Owner's Preliminary Response OTHER
Director Discretionary Decision: Refer RESPONSE
Petitioners’ Sur-Reply Briefs in Support of Opposing Patent Owner’s Brief Regarding Discretionary Denial OTHER
Patent Owner's Motion to Seal MOTION
Email Correspondence Exhibit
Probasco et al v. MFA Inc., 4:22-CV-00117 (S.D. Iowa) (Judge Locher) (Docket Sheet and ECF 7, 9) Exhibit
Ex. 2035 Cleaner Power Plants _ Mercury and Air Toxics Standards (MATS) _ US EPA Exhibit
EPA final report to Congress 1998_RFS Exhibit
1990 Clean Air Act Amendment Summary_ Title III _ Overview of the Clean Air Act and Air Pollution _ US EPA Exhibit
Piatz v. State Farm Mut. Auto. Ins. Co., 3:21-CV-00007 (S.D. Iowa) (Judge Locher) (Docket Sheet and ECF 8) Exhibit
Docket Navigator, Time to Trial in the Southern District of Iowa Exhibit
G.W. Lisk Company, Inc. v. Gits Manufacturing Company, 4:17-cv- 00273 (S.D. Iowa) (Docket Sheet) Exhibit
Shin v. Winnebago Indus., Inc. et. al, 3:23-CV-00077 (S.D. Iowa) (Judge Locher) (Docket Sheet) Exhibit
Midwest Energy Emissions Corp. v. Arthur J. Gallagher & Co., No. 19-1334-RGACJB ECF 130 (D. Del. July 15, 2020) (First Amended Complaint for Patent Infringement) Exhibit
In re: Midwest Energy Emissions Corp. Patent Litig., No. 4:24-md- 03132-SHL-WPK, ECF 1 (S.D. Iowa December 17, 2024) (MDL Transfer Order) Exhibit
Feb 3 2003 Review Meeting Presentation Exhibit
430 file history - Part 1 Exhibit
430 file history - Part 8 Exhibit
430 file history - Part 13 Exhibit
430 file history - Part 12 Exhibit
In re: Midwest Energy Emissions Corp. Patent Litig., No. 4:24-md- 03132-SHL-WPK, ECF 129 (S.D. Iowa May 21, 2025) (Petitioners’ Reply Brief In Support of Motion to Stay Pending Inter Partes Review) Exhibit
LigniteHgCtrl Kickoff Meeting Part 1 Exhibit
430 file history - Part 2 Exhibit
Patent Owner’s Response to Petitioners’ Motion to Stay Pending Inter Partes Review In re: Midwest Energy Emissions Corp. Patent Litig., No. 4:24-md-03132-SHL-WPK, ECF 128 Exhibit
430 file history - Part 5 Exhibit
PETITIONERS’ BRIEF OPPOSING PO’S BRIEF REGARDING DISCRETIONARY DENIAL RESPONSE
430 file history - Part 10 Exhibit
In re: Midwest Energy Emissions Corp. Patent Litig., No. 4:24-md- 03132-SHL-WPK, ECF 111 (S.D. Iowa Apr. 18, 2025) (Order re: Petitioners’ Deadline to File Surreply) Exhibit
FINAL JHP-ARSS-SEAs_for_Mercury_Control doc Exhibit
Exhibit A to Plaintiff’s Initial Infringement Contentions (March 18, 2025) served in In re: Midwest Energy Emissions Corp. Patent Litig., No. 4:24-md-03132-SHL-WPK Exhibit
430 file history - Part 6 Exhibit
Exec. Order No. 14261, 90 Fed. Reg. 15517 (April 8, 2025) Exhibit
430 file history - Part 7 Exhibit
Order Denying Motions to Stay and Motion to Compel Exhibit
October 2003 report to DOE Exhibit
Nuhn Industries Ltd v. Bazooka Farmstar LLC, 3:22-cv-00015 (S.D. Iowa) (Docket Sheet and ECF 286) Exhibit
PTC Facility Description Exhibit
What EPA is Doing to Reduce Mercury Pollution, and Exposures to Mercury, U.S. Env’t Protection Agency (last updated July 11, 2024) Exhibit
Patent Owner's Motion to Seal MOTION
430 file history - Part 3 Exhibit
In re: Midwest Energy Emissions Corp. Patent Litig., No. 4:24-md- 03132-SHL-WPK, ECF 19 (S.D. Iowa Jan 10, 2025) (Order on Motions to Dismiss and Motion to Sever) Exhibit
Coal Explained: Use of Coal, U.S. Energy Information Administration (last updated Sept. 14, 2023) Exhibit
October 2003 report to DOE Exhibit
Deere & Co. et. al v. Kinze Mfg., Inc. et. al, 4:20-CV-00389 (S.D. Iowa) (Docket Sheet) Exhibit
In re: Midwest Energy Emissions Corp. Patent Litig., No. 4:24-md- 03132-SHL-WPK, ECF 131 (S.D. Iowa May 22, 2025) (Order Denying Without Prejudice Pre-Institution Stay) Exhibit
EPA Report to Congress Exhibit
LigniteHgCtrl Kickoff Meeting Part 2 Exhibit
430 file history - Part 14 Exhibit
LigniteHgCtrl_R2 Exhibit
Midwest Energy Emissions Corp. v. Arthur J. Gallagher & Co., No. 19-1334-RGACJB ECF 1 (D. Del. July 17, 2019) (Complaint for Patent Infringement) Exhibit
Email from Justin Nemunaitis to Joe Jacobi (Jan. 16, 2024, 11:01 AM) Exhibit
Control of Mercury Emissions from Coal-Fired Electric Utility Boilers - interim report Exhibit
430 file history - Part 9 Exhibit
Puget Sound Energy, Colstrip Facts Exhibit
Birchtech, Technology Overview Exhibit
430 file history - Part 4 Exhibit
In re Midwest Energy Emissions Corp. Patent Litig., MDL No. 3132 ECF 35 (J.P.M.L. Nov. 14, 2024) (Patent Owner’s Reply Brief in Support of Consolidation) Exhibit
Plaintiff’s Initial Infringement Contentions (March 18, 2025) served in In re: Midwest Energy Emissions Corp. Patent Litig., No. 4:24-md- 03132-SHL-WPK Exhibit
430 file history - Part 11 Exhibit
Joint Motion for Entry of the Default Protective Order MOTION
Original Complaint for Patent Infringement-ME2C v. Vistra (D.Del) Exhibit
ME2C Brief in Support of Motion for Preliminary Injunction Exhibit
WPLC's First Amended Answer (Redacted) Exhibit
POPR Discretionary Denial Brief RESPONSE
First Amended Complaint (D.Del) Exhibit
DTE Electric Company Affiliates Report-MPSC Form P521 Exhibit
PacifiCorp's First Amended Answer (Redacted) Exhibit
Transcript of Jury Trial-ME2C v. Gallagher & Co (D.Del) Exhibit
Defs Brief in Support of Response to Motion for Preliminary Injunction (Redacted) Exhibit
Mercury Control Technologies for Electric Utilities-Final Report Exhibit
Non-Final Judgment Following Jury Verdict-ME2C v. Gallagher & Co (D.Del) Exhibit
Declaration of Inventor John Pavlish Exhibit
MidAmerican's First Amended Answer (Redacted) Exhibit
Case Management Order Exhibit
ME2C Reply Brief in Support of Preliminary Injunction (Redacted) Exhibit
Pilot- and Full-Scale Demonstration-Quarterly Report Exhibit
Center for Air Toxic Metals, 2003 Research Ideas Exhibit
Document Metadata for Center for Air Toxic Metals, 2003 Research Ideas Exhibit
Pilot- and Full-Scale Demonstration-Final Report Exhibit
Complaint for Patent Infringement Exhibit
Petitioner MEC’s Stipulation Regarding District Court Proceedings Exhibit
Petitioners WPL and IPL’s Stipulation Regarding District Court Proceedings Exhibit
Petitioners’ Updated Exhibit List NOTICE
Petitioner PacifiCorp’s Stipulation Regarding District Court Proceedings Exhibit
Notice: Notice filing date accorded NOTICE
Declaration of Richard Cochrane in Support of Motion for Admission Pro Hac Vice Exhibit
Admission Pro Hac Vice of Justin T. Nemunaitis MOTION
Admission Pro Hac Vice of Richard Cochrane MOTION
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