1

UNITED STATES DISTRICT COURT

FOR THE WESTERN DISTRICT OF TEXAS

WACO DIVISION

ECOFACTOR, INC.,

Plaintiff,

v.

GOOGLE LLC,

Defendant.

Case No. 6:20-cv-00075-ADA

ECOFACTOR, INC.,

Plaintiff,

v.

ECOBEE, INC.,

Defendant.

Case No. 6:20-cv-00078-ADA

ECOFACTOR, INC.,

Plaintiff,

v.

VIVINT, INC.,

Defendant.

Case No. 6:20-cv-00080-ADA

JOINT REPORT ON NARROWING OF 

ASSERTED CLAIMS AND PRIOR ART REFERENCES 

Plaintiff EcoFactor, Inc. (“EcoFactor”) and Defendants Google LLC, ecobee, Inc., and 

Vivint, Inc. (collectively, “Defendants”) hereby submit this Joint Report in accordance with the 

Court’s Standing Order Governing Proceedings – Patent Cases and the Scheduling Order entered 

in each of the above-captioned cases. 

Case 6:20-cv-00075-ADA Document 104 Filed 11/10/21 Page 1 of 6
There are three total patents asserted in the three above-captioned cases, although some 

patents are not asserted against all Defendants. In its infringement expert reports, EcoFactor 

asserts a total of 46 claims across the three asserted patents. In their invalidity expert report, 

Defendants assert a total of 47 prior art theories.

On November 3, 2021, the parties met and conferred to discuss narrowing the number of 

asserted claims and prior art references at issue. After this meeting, the parties further 

corresponded regarding potential narrowing and ultimately agreed to the following:

• For every claim that EcoFactor asserts, Defendants will assert no more than two

prior art theories, where a “prior art theory” is defined as either a single reference 

or a unique combination. 

• EcoFactor will assert no more than eight claims per patent, and no more than 18 

claims total. EcoFactor agrees to identify the claims that it is dropping by 

November 12, 2021.

• Once EcoFactor identifies the claims that it is dropping, Defendants will have 

seven days to identify the prior art theories that they are dropping in response. 

In addition, the parties will continue to communicate with one another regarding further 

narrowing of asserted claims and prior art as trial approaches.

Respectfully submitted, 

Date: November 10, 2021

/s/ Reza Mirzaie

Reza Mirzaie

Marc A. Fenster

Paul A. Kroeger

James N. Pickens

Kristopher R. Davis

Minna Y. Chan

Matthew Aichele

Adam S. Hoffman

RUSS AUGUST & KABAT

12424 Wilshire Boulevard 12th Floor

Los Angeles, California 90025

Tel: 310-826-7474

rak_ecofactor@raklaw.com

Attorneys for Plaintiff EcoFactor, Inc.

Case 6:20-cv-00075-ADA Document 104 Filed 11/10/21 Page 2 of 6
/s/ Robert A. Van Nest

ROBERT A. VAN NEST (admitted Pro Hac Vice)

LEO L. LAM (admitted Pro Hac Vice)

EUGENE M. PAIGE (admitted Pro Hac Vice)

R. ADAM LAURIDSEN (admitted Pro Hac Vice)

JENNIFER A. HUBER (admitted Pro Hac Vice)

KRISTIN HUCEK (admitted Pro Hac Vice)

ANNA PORTO (admitted Pro Hac Vice)

PATRICK E. MURRAY (admitted Pro Hac Vice)

GREGORY WASHINGTON (admitted Pro Hac 

Vice)

ERIC B. HANSON (admitted Pro Hac Vice)

633 Battery Street

San Francisco, CA 94111-1809

Telephone: 415 391 5400 

Facsimile: 415 397 7188

econest-kvp@keker.com

POTTER MINTON

Michael E. Jones (TX Bar No. 10929400)

mikejones@potterminton.com

Patrick C. Clutter (TX Bar No. 24036374)

patrickclutter@potterminton.com

110 N. College, Suite 500

Tyler, Texas 75702

Tel: 903-597-8311

Fax: 903-593-0846

Shamita Etienne-Cummings 

(admitted to the Western District of Texas)

Allen & Overy LLP

1101 New York Avenue, NW

Washington, DC 20005

Telephone: (202) 683-3810

GoogleEcofactorWDTX@AllenOvery.com

Bijal V. Vakil

(admitted to the Western District of Texas)

Eric Lancaster (admitted Pro Hac Vice)

Allen & Overy LLP

530 Lytton Avenue, 2nd Floor

Palo Alto, CA 94301

Telephone: (650) 388-1703

GoogleEcofactorWDTX@AllenOvery.com

Case 6:20-cv-00075-ADA Document 104 Filed 11/10/21 Page 3 of 6
Attorneys for Defendant GOOGLE LLC

Date: November 10, 2021

/s/ Rudoph Tescher, Jr. 

Rudolph A. Telscher, Jr.

Missouri Bar No. 41072*

rudy.telscher@huschblackwell.com

Kara R. Fussner

Missouri Bar No. 54656*

kara.fussner@huschblackwell.com

Daisy Manning

Missouri Bar No. 62134*

daisy.manning@huschblackwell.com

HUSCH BLACKWELL LLP

190 Carondelet Plaza, Suite 600

St. Louis, MO 63105

314.480.1500 Telephone

314.480.1505 Facsimile

Ryan B. Hauer

Illinois Bar No.6320758*

ryan.hauer@huschblackwell.com

HUSCH BLACKWELL LLP

120 South Riverside Plaza, Suite 2200

Chicago, IL 60606

312.655.1500 Telephone

312.655.1501 Facsimile

*Admitted Pro Hac Vice

Jennifer P. Ainsworth

WILSON, ROBERTSON & CORNELIUS, P.C.

909 ESE Loop 323, Suite 400

Tyler, Texas 75701

(903) 509-5000 Main

(903) 509-5001 Direct

(903) 509-5092 Fax

Email: jainsworth@wilsonlawfirm.com

Manny J. Caixeiro

VENABLE, LLP

2049 Century Park East, Suite 2300

Los Angeles, CA 90067

310-229-9900

Fax: 310-229-9901

Case 6:20-cv-00075-ADA Document 104 Filed 11/10/21 Page 4 of 6
Email: MJCaixeiro@venable.com

Timothy J. Carroll

Vivian Sandoval

Steve M. Lubezny

VENABLE LLP

227 West Monroe Street, Suite 3950

Chicago, IL 60606

312-820-3400

Fax: 312-820-3401

Email: tjcarroll@venable.com

vsandoval@venable.com

smlubezny@venable.com

Attorneys for Defendant ecobee, Inc.

Dated: November 10, 2021 By: /s/ Fred I. Williams

Fred I. Williams

fwilliams@wsltrial.com

Williams Simons & Landis PLLC

327 Congress Ave., Ste. 490

Austin, TX 78701

Tel: 521-543-1354

Todd E. Landis

tlandis@wsltrial.com

Williams Simons & Landis PLLC

2633 McKinney Ave., Ste. 130 #366

Dallas, TX 75204

Tel: 562-543-1357

John Wittenzellner

jwittenzellner@wsltrial.com

Williams Simons & Landis PLLC

1735 Market St., Suite A #435

Philadelphia, PA 19103

Tel: 512-543-1373

Attorneys for Defendant Vivint, Inc. 

Case 6:20-cv-00075-ADA Document 104 Filed 11/10/21 Page 5 of 6
CERTIFICATE OF SERVICE

I hereby certify that the counsel of record have been served electronically on November 

10, 2021.

/s/ Kristopher R. Davis

Case 6:20-cv-00075-ADA Document 104 Filed 11/10/21 Page 6 of 6