The detailed information for PTAB case with proceeding number IPR2021-00625 filed by Tennant Company against Oxygenator Water Technologies, Inc. on Mar 9, 2021. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2021-00625
Filing Date
Mar 9, 2021
Petitioner
Tennant Company
Respondent
Oxygenator Water Technologies, Inc.
Status
Final Written Decision - Appealed
Respondent Application Number
13247241
Respondent Tech Center
1700
Respondent Patent Number
RE45415
Institution Decision Date
Aug 20, 2021
Termination Date
Feb 28, 2025

Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.


Document NameFiling DateCategoryFiling Party

Alert me when new update on this case

Petitioner's Notice of Appeal

May 2, 2025PAPERPETITIONER

Final Written Decision: On remand from the CAFC

Feb 28, 2025PAPERBOARD

Petitioner's Sur-Reply Brief on Remand

Nov 29, 2024PAPERPETITIONER

Patent Owner's Reply Brief on Remand

Nov 29, 2024PAPERPATENT OWNER

Exhibit 3002

Nov 21, 2024EXHIBITBOARD

PO Responsive Brief on Remand

Nov 12, 2024PAPERPATENT OWNER

Petitioners Reply Brief on Remand

Nov 12, 2024PAPERPETITIONER

Other: Fed Circuit mandate

Oct 18, 2024PAPERBOARD

Other: other court decision

Oct 18, 2024PAPERBOARD

Petitioner's Opening Brief on Remand

Oct 17, 2024PAPERPETITIONER

Patent Owner's Lead Brief on Remand

Oct 17, 2024PAPERPATENT OWNER

Exhibit 3001

Sep 19, 2024EXHIBITBOARD

ORDER Granting Petitioner’s Motion to Withdraw and Substitute Counsel 37 C.F.R. § 42.10

Sep 12, 2024PAPERBOARD

Petitioner's Motion for Withdrawal and Substitution of Counsel

Sep 10, 2024PAPERPETITIONER

Notice : Updated Mandatory Notices

Sep 10, 2024PAPERPETITIONER

Petitioner's Updated Power of Attorney

Sep 10, 2024PAPERPETITIONER

Panel Change Order

Sep 6, 2024PAPERBOARD

EXPUNGED

Aug 1, 2024PAPERBOARD

Petitioner's Notice of Appeal

Sep 29, 2022PAPERPETITIONER

Final Written Decision: original

Aug 17, 2022PAPERBOARD

Other: Hearing transcript

Jun 23, 2022PAPERBOARD

Petitioner Demonstratives

May 17, 2022PAPERPETITIONER

Patent Owner's Hearing Demonstratives

May 17, 2022PAPERPATENT OWNER

Patent Owner's Hearing Demonstratives

May 17, 2022PAPERPATENT OWNER

Updated Mandatory Notices of Patent Owner Oxygenator Water Technologies, Inc.

Apr 20, 2022PAPERPATENT OWNER

Other: ORDER Setting Oral Hearing

Apr 12, 2022PAPERBOARD

Petitioner's Request for Oral Argument

Apr 8, 2022PAPERPETITIONER

Patent Owner's Sur-reply

Apr 8, 2022PAPERPATENT OWNER

Patent Owner's Request for Oral Hearing

Apr 8, 2022PAPERPATENT OWNER

Patent Owner's Objections to Tennant Company February 25, 2022 Updated Exhibit List

Mar 4, 2022PAPERPATENT OWNER

Petitioner's Reply

Feb 25, 2022PAPERPETITIONER

Exhibit 1147

Feb 25, 2022EXHIBITPETITIONER

Exhibit 1148

Feb 25, 2022EXHIBITPETITIONER

Petitioner Tennant Company���s Notice of Deposition of Dr. Ralph E. White

Feb 1, 2022PAPERPETITIONER

Joint Stipulation to Modify the Schedule

Dec 21, 2021PAPERPETITIONER

Order: Decision - Patent Owner's Motion Requesting Acceptance of Submission - 37 CFR 42.5(c)(3)

Nov 30, 2021PAPERBOARD

Petitioner Objections to Patent Owner OWT Updated Exhibit List

Nov 29, 2021PAPERPETITIONER

Patent Owner's Motion Requesting Acceptance of Submission

Nov 22, 2021PAPERPATENT OWNER

Patent Owner's Response

Nov 22, 2021PAPERPATENT OWNER

Patent Owner's Response

Nov 22, 2021PAPERPATENT OWNER

Patent Owner's Updated Exhibit List

Nov 22, 2021PAPERPATENT OWNER

Patent Owner's Motion to Seal

Nov 22, 2021PAPERPATENT OWNER

Exhibit 2116

Nov 22, 2021EXHIBITPATENT OWNER

EXPUNGED

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2117

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2118 - Part 1

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2118 - Part 1b

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2119 - Part 2a

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2119 - Part 2b

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2120

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2121

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2122

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2123

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2124

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2125

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2126

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2127

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2128

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2129

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2130

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2131

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2132

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2133

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2134

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2135

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2136

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2137

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2138

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2139

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2140

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2141

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2142

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2143

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2144

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2145

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2146

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2147

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2148

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2149

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2150

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2151

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2152

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2153

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2154

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2156

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2157

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2158

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2159

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2160

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2161

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2162

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2163

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2164

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2165

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2166

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2167

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2168

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2169

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2170

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2171

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2172

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2173

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2174

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2175

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2176

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2177

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2178

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2179

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2180

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2181

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2182

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2183

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2184

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2185

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2186

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2187

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2188

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2189

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2190

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2191

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2192

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2193

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2194

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2195

Nov 22, 2021EXHIBITPATENT OWNER

Exhibit 2196

Nov 22, 2021EXHIBITPATENT OWNER

Joint Stipulation to Modify the Schedule

Oct 29, 2021PAPERPATENT OWNER

Petitioners Updated Power of Attorney

Oct 19, 2021PAPERPETITIONER

Order: Order Granting-in-Part Patent Owners Motion for Additional Discovery Order Granting Patent Owners Motion to Expunge

Oct 18, 2021PAPERBOARD

Updated Mandatory Notices of Patent Owner Oxygenator Water Technologies, Inc. Pursuant to 37 C.F.R. �� 42.8

Oct 15, 2021PAPERPATENT OWNER

Patent Owner Oxygenator Water Technologies, Inc.'s Updated Power of Attorney Pursuant to 37 C.F.R. �� 42.10(b)

Oct 15, 2021PAPERPATENT OWNER

Patent Owner Oxygenator Water Technologies, Inc.'s Amended Notice of Deposition of Dr. Mario Tremblay

Oct 14, 2021PAPERPATENT OWNER

Patent Owner Oxygenator Water Technologies, Inc.'s Notice of Deposition of Dr. Mario Tremblay

Oct 13, 2021PAPERPATENT OWNER

EXPUNGED

Oct 11, 2021PAPERPETITIONER

Petitioner Motion to Expunge Paper No. 23

Oct 11, 2021PAPERPETITIONER

Petitioner Motion in Opposition to PO Motion for Additional Discovery

Oct 11, 2021PAPERPETITIONER

Patent Owner Oxygenator Water Technologies, Inc.'s Motion for Additional Discovery

Oct 4, 2021PAPERPATENT OWNER

Exhibit 2115

Oct 4, 2021EXHIBITPATENT OWNER

Patent Owner's Updated Exhibit List

Oct 4, 2021PAPERPATENT OWNER

Order: Granting Motion for Pro Hac Vice Admission of Todd S. Werner

Oct 1, 2021PAPERBOARD

Order: Granting Patent Owners Unopposed Motion for Entry of a Protective Order

Oct 1, 2021PAPERBOARD

Other: ORDER Conduct of the Proceeding

Sep 23, 2021PAPERBOARD

Patent Owner���s Unopposed Motion for Pro Hac Vice Admission of Todd S. Werner

Sep 22, 2021PAPERPATENT OWNER

Declaration of Todd S. Werner in Support of Patent Owner's Unopposed Motion for Pro Hac Vice Admission

Sep 22, 2021EXHIBITPATENT OWNER

Motion for Entry of Protective Order

Sep 22, 2021PAPERPATENT OWNER

2113 Clean Protective Order

Sep 22, 2021EXHIBITPATENT OWNER

Marked Protective Order

Sep 22, 2021EXHIBITPATENT OWNER

2022_09_22 Updated Exhibit List_625

Sep 22, 2021PAPERPATENT OWNER

Joint Statement Regarding Location of Oral Argument

Sep 20, 2021PAPERPETITIONER

PATENT OWNER OXYGENATOR WATER TECHNOLOGIES, INC.���S OBJECTIONS TO TENNANT COMPANY���S EXHIBIT LIST

Sep 3, 2021PAPERPATENT OWNER

Petitioner Objections to Patent Owner OWT Updated Exhibit List

Aug 30, 2021PAPERPETITIONER

Patent Owner Oxygenator Water Technologies, Inc.���s Updated Exhibit List

Aug 24, 2021PAPERPATENT OWNER

Exhibit 2111

Aug 24, 2021EXHIBITPATENT OWNER

Decision Granting Institution of Inter Partes Review

Aug 20, 2021PAPERBOARD

Scheduling Order

Aug 20, 2021PAPERBOARD

Patent Owner's Preliminary Response to Petition

Jun 16, 2021PAPERPATENT OWNER

Exhibit 2101

Jun 16, 2021EXHIBITPATENT OWNER

Exhibit 2102

Jun 16, 2021EXHIBITPATENT OWNER

Exhibit 2103

Jun 16, 2021EXHIBITPATENT OWNER

Exhibit 2104

Jun 16, 2021EXHIBITPATENT OWNER

Exhibit 2105

Jun 16, 2021EXHIBITPATENT OWNER

Exhibit 2106

Jun 16, 2021EXHIBITPATENT OWNER

Exhibit 2107

Jun 16, 2021EXHIBITPATENT OWNER

Exhibit 2108

Jun 16, 2021EXHIBITPATENT OWNER

Exhibit 2109

Jun 16, 2021EXHIBITPATENT OWNER

Exhibit 2110

Jun 16, 2021EXHIBITPATENT OWNER

DECISION Granting Petitioner's Motions for Pro Hac Vice Admission of Adam R. Steinert

May 12, 2021PAPERBOARD

Mandatory Notices of Patent Owner Oxygenator Water Technologies, Inc.

Mar 30, 2021PAPERPATENT OWNER

Patent Owner's Power of Attorney

Mar 30, 2021PAPERPATENT OWNER

Petitioner Motion for Pro Hac Vice of A. Steinert

Mar 17, 2021PAPERPETITIONER

Notice of Accord Filing Date

Mar 16, 2021PAPERBOARD

Tennant Company Petition for Inter Partes Review of U.S. Patent No. RE45,415

Mar 9, 2021PAPERPETITIONER

Petitioner Power of Attorney

Mar 9, 2021PAPERPETITIONER

Ex 1101 U.S. Patent No. RE 45,415 (Senkiw)

Mar 9, 2021EXHIBITPETITIONER

Ex 1102 File History of U.S. Patent No. RE 45,415

Mar 9, 2021EXHIBITPETITIONER

Ex 1103 Declaration of Dr. Mario Tremblay

Mar 9, 2021EXHIBITPETITIONER

Ex 1104 Curriculum Vitae of Dr. Mario Tremblay

Mar 9, 2021EXHIBITPETITIONER

Ex 1105 U.S. Patent No. 4,917,782 (Davies)

Mar 9, 2021EXHIBITPETITIONER

Ex 1106 U.S. Patent No. 4,039,439 (Clark)

Mar 9, 2021EXHIBITPETITIONER

Ex 1107 U.S. Patent No. 5,324,398 (Erickson)

Mar 9, 2021EXHIBITPETITIONER

Ex 1108 U.S. Patent No. 5,439,576 (Schoeberl)

Mar 9, 2021EXHIBITPETITIONER

Ex 1109 U.S. Patent No. 3,984,303 (Peters)

Mar 9, 2021EXHIBITPETITIONER

Ex 1110 U.S. Patent No. 5,049,252 (Murrell)

Mar 9, 2021EXHIBITPETITIONER

Ex 1111 U.S. Patent No. 6,296,756 (Hough)

Mar 9, 2021EXHIBITPETITIONER

Ex 1112 U.S. Patent No. 3,891,535 (Wikey)

Mar 9, 2021EXHIBITPETITIONER

Ex 1113 Declaration of Janelle Beitz

Mar 9, 2021EXHIBITPETITIONER

Ex 1114 Aquariums for Dummies (AFD)

Mar 9, 2021EXHIBITPETITIONER

Ex 1115 IDG Books Worldwide, publisher of For Dummies Series

Mar 9, 2021EXHIBITPETITIONER

Ex 1116 Amazon.com reviews of AFD

Mar 9, 2021EXHIBITPETITIONER

Ex 1117 Wendt, Electrochemical Engineering: Science and Technology in Chemical and Other Industries

Mar 9, 2021EXHIBITPETITIONER

Ex 1118 Wendt public availability, British Library

Mar 9, 2021EXHIBITPETITIONER

Ex 1119 Wendt publication date, ISBN

Mar 9, 2021EXHIBITPETITIONER

Ex 1120 Qiang, Electrochemical Generation of Hydrogen Peroxide from Dissolved Oxygen in Acidic Solutions

Mar 9, 2021EXHIBITPETITIONER

Ex 1121 Janssen, The Role of Electrochemistry and Electrochemical Technology in Environmental Protection

Mar 9, 2021EXHIBITPETITIONER

Ex 1122 Bestetti, Zinc Electrowinning with Gas Diffusion Anodes

Mar 9, 2021EXHIBITPETITIONER

Ex 1123 Glembotsky, Size of gas bubbles forming during electroflotation (published in Russian)

Mar 9, 2021EXHIBITPETITIONER

Ex 1124 English Translation of Glembotsky

Mar 9, 2021EXHIBITPETITIONER

Ex 1125 Front matter information for Glembotsky

Mar 9, 2021EXHIBITPETITIONER

Ex 1126 Public availability for Glembotsky, British Library

Mar 9, 2021EXHIBITPETITIONER

Ex 1127 Cover page for Glembotsky, British Library

Mar 9, 2021EXHIBITPETITIONER

Ex 1128 Muller, Electroflotation from the Double Layer to Troubled Waters

Mar 9, 2021EXHIBITPETITIONER

Ex 1129 Venkatachalam, Electrogenerated Gas Bubbles in Flotation

Mar 9, 2021EXHIBITPETITIONER

Ex 1130 Koren, State-of-the-art Electroflocculation

Mar 9, 2021EXHIBITPETITIONER

Ex 1131 Burns, Application of Digital Image Analysis for Size Distribution Measurement of Microbubbles

Mar 9, 2021EXHIBITPETITIONER

Ex 1132 Burns publication date, U. S. Department of Energy

Mar 9, 2021EXHIBITPETITIONER

Ex 1133 Burns article, Davos, Switzerland conference (May 1997)

Mar 9, 2021EXHIBITPETITIONER

Ex 1134 Burns, Digital Image Analysis to Assess Microbubble Behavior in Porous Media

Mar 9, 2021EXHIBITPETITIONER

Ex 1135 Zhang, Surfactant Effects on the Transport of Air Bubbles in Porous Media

Mar 9, 2021EXHIBITPETITIONER

Ex 1136 Front matter information from Environmental Geotechnics

Mar 9, 2021EXHIBITPETITIONER

Ex 1137 Han, Development of a New Method of Measuring Bubble Size, Water Science and Technology

Mar 9, 2021EXHIBITPETITIONER

Ex 1138 Declaration of Rachel J. Watters

Mar 9, 2021EXHIBITPETITIONER

Ex 1139 OWT Complaint, Case No. 0:20-cv-00358-ECT-HB

Mar 9, 2021EXHIBITPETITIONER

Ex 1140 Tennant Waiver of Service, Case No. 0:20-cv-00358-ECT-HB

Mar 9, 2021EXHIBITPETITIONER

Ex 1141 U.S. Patent No. 6,171,469 (Hough)

Mar 9, 2021EXHIBITPETITIONER

Ex 1142 OWT Claim Constructions, Case No. 0:20-cv-00358-ECT-HB

Mar 9, 2021EXHIBITPETITIONER

Ex 1143 Tennant Claim Constructions, Case No. 0:20-cv-00358-ECT-HB

Mar 9, 2021EXHIBITPETITIONER

Ex 1144 Declaration of Sheila Hatchell

Mar 9, 2021EXHIBITPETITIONER

Ex 1145 U.S. Patent Publication No. 20030042134 to Tremblay

Mar 9, 2021EXHIBITPETITIONER

Ex 1146 Scheduling Order with Subsequent Amendments, Case No. 0:20-cv-00358-ECT-HB

Mar 9, 2021EXHIBITPETITIONER