EXHIBIT 1

Case: 1:20-cv-02114 Document #: 282-2 Filed: 04/24/24 Page 1 of 16 PageID #:6484
UNITED STATES DISTRICT COURT 

NORTHERN DISTRICT OF ILLINOIS 

EASTERN DIVISION 

) 

IN RE FICO ANTITRUST LITIGATION ) Judge Edmond E. Chang 

) 

) Magistrate Judge David E. Weisman 

This Document Relates to the ) 

Following Cases: ) No. 1:20-CV-02114 

) 

DIRECT PURCHASER and 

INDIRECT PURCHASER CASES ) 

) 

DIRECT PURCHASER AND INDIRECT PURCHASER PLAINTIFFS’ 

JOINT FIRST INTERROGATORIES 

TO DEFENDANT FAIR ISAAC CORPORATION 

Pursuant to Rules 26 and 33 of the Federal Rules of Civil Procedure, the Direct Purchaser 

Plaintiffs and Indirect Purchaser Plaintiffs (collectively, “Plaintiffs”), by and through their 

respective attorneys, request that Defendant Fair Isaac Corporation provide responses to the 

following Interrogatories within 30 days after service hereof. 

DEFINITIONS 

 

The definitions, instructions, words, and phrases used in these Interrogatories shall have 

the meanings ascribed to them under the Federal Rules of Civil Procedure and the Local Rules of 

the United States District Court for the Northern District of Illinois. The definitions referenced 

herein apply without regard to capitalization. In addition, the following terms shall have the 

meanings set forth below whenever used in any Interrogatory. 

1. The “Action” means In re FICO Antitrust Litigation, Case Number 1:20-cv-02114 

(N.D. Ill.). 

2. “All,” “any,” and “each” shall be construed as encompassing “any and all.” 

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3. “Agreement” means any oral, written, or implied contract, arrangement, 

understanding, or plan, or term thereof, whether formal or informal, between two or more persons, 

together with all modifications or amendment. 

4. “B2B Credit Score” means credit scores sold by Fair Isaac, Experian, Equifax, 

TransUnion, or any other consumer reporting company, to any business for the assessment of 

credit risk. For the purposes of this definition only, “business” includes all entities other than 

individual consumers. “B2B Credit Score” includes both FICO Scores and VantageScores. 

5. “B2B Credit Score Market” means the market for B2B Credit Scores. 

6. “Competitor Credit Score Product” means any non-FICO credit score, including 

VantageScore. 

7. “Complaints” means the DP Complaint and the IP Complaint, collectively. 

8. “DP Complaint” means the Direct Purchaser Plaintiffs’ First Amended 

Consolidated Class Action Complaint, Dkt. 184, filed in this Action. 

9. “Document” is defined to be synonymous with the broadest possible meaning of 

the term as used in Federal Rule of Civil Procedure 34 and includes, without limitation, 

electronically or physically stored information and communications, as well as any writings, 

diagrams, or recordings. A draft or non-identical copy is a separate document within the meaning 

of this term. 

10. “Electronically stored information” or “ESI” is defined to be synonymous with the 

broadest possible meaning of the term “electronically stored information,” as used in Federal Rules 

of Civil Procedure 26 and 34. 

11. “Equifax” means Equifax Inc. and its predecessor and successor entities, officers, 

directors, parents, subsidiaries (whether direct or indirect), affiliates, employees, agents, attorneys, 

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representatives, independent contractors, joint ventures, or other persons acting or authorized to 

act on its behalf. 

12. “Experian” means Experian Information Solutions, Inc. and its predecessor and 

successor entities, officers, directors, parents, subsidiaries (whether direct or indirect), affiliates, 

employees, agents, attorneys, representatives, independent contractors, joint ventures, or other 

persons acting or authorized to act on its behalf. 

13. “Identify” requires the following information: 

a. When asked to “identify” or to specify the “identity” of a natural Person, 

give, to the extent known, the Person’s full name, present or last known place of 

employment, and title; 

b. When asked to “identify” or to specify the “identity” of a natural Person 

who is a past or present director, officer, employee, agent, or representative of You, 

in addition to the information set forth above, also specify all positions or 

employments that Person held with You, and the dates between which that Person 

held each position or employment; 

c. When asked to “identify” or to specify the “identity” of an entity that is not 

a natural Person, specify its full name, its principal place of business, and the 

identity of all natural Persons employed by or acting for it at any time who have 

knowledge of the matter with respect to which the entity is identified; and 

d. When asked to “identify” or to specify the “identity” of a Document, 

produce the Document for inspection and copying and identify the relevant Bates 

number or range. 

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14. “Including” means “including without limitation” and “including but not limited 

to” and should not be construed as limiting the request in any way. 

15. “IP Complaint” means the Indirect Purchaser Plaintiffs’ Second Amended Class 

Action Complaint, Dkt. 185, filed in this Action. 

16. Proposed Agreement” means any Agreement or term thereof that Fair Isaac, 

Equifax, Experian, or TransUnion has offered, requested, or otherwise proposed, including any 

expressions of interest or intent to enter into an Agreement. 

17. “Relating to” means concerning, connecting to, referring to, describing, evidencing, 

constituting, or bearing any kind of relationship with. 

18. “TransUnion” means TransUnion, LLC and its predecessor and successor entities, 

officers, directors, parents, subsidiaries (whether direct or indirect), affiliates, employees, agents, 

attorneys, representatives, independent contractors, joint ventures, or other persons acting or 

authorized to act on its behalf. 

19. “TransUnion Litigation” refers to the lawsuit filed by Fair Isaac against TransUnion 

and the counterclaims filed by TransUnion against Fair Isaac, Case Number 1:17-cv-08318 (N.D. 

Ill.). 

20. “VantageScore” means the credit score product created and sold by VantageScore 

Solutions. 

21. “VantageScore Solutions” means VantageScore Solutions LLC. 

22. “VantageScore Solutions Litigation” refers to the lawsuit filed by Fair Isaac against 

Experian, Equifax, and TransUnion relating to VantageScore Solutions, Case Number 06-cv-4112 

(D. Minn.). 

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23. “You,” “Yours,” or “Fair Isaac” means Fair Isaac Corporation and its predecessor 

and successor entities, officers, directors, parents, subsidiaries (whether direct or indirect), 

affiliates, employees, agents, attorneys, representatives, independent contractors, joint ventures, or 

other persons acting or authorized to act on its behalf. 

INSTRUCTIONS 

1. The singular form of any word includes the plural and vice versa. 

2. The terms defined above and in the individual Interrogatories are to be construed 

broadly to the fullest extent of their meaning in a good faith effort to comply with the Federal 

Rules of Civil Procedure. If, in responding to any of these Interrogatories, You encounter any 

ambiguity in construing either the Interrogatory or a definition or instruction relevant to it, You 

shall set forth the matter deemed ambiguous and the construction used in responding to the 

Interrogatory. 

3. If You contend that the information sought is not in Your control, indicate the 

company and individuals who have such control. 

4. If any information is withheld, in whole or in part, for any reason, including any 

claim of privilege of any kind, work-product protection, trade secret, or confidentiality, You shall 

provide with respect to each such Document all information required to be furnished by Federal 

Rule of Civil Procedure 26(b)(5) or any other Court Order in this Action. 

5. Unless otherwise specified, the relevant time period is January 1, 2006, until the 

present. 

6. These Interrogatories are deemed to be continuing pursuant to Rule 26(e) of the 

Federal Rules of Civil Procedure. If You, after responding, discover or acquire additional 

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information, Plaintiffs request that You supplement Your response in accordance with the Federal 

Rules of Civil Procedure promptly after You discover or acquire such additional information. 

INTERROGATORIES 

INTERROGATORY NO. 1 

Identify and define every phrase, word, or other term, including any abbreviations, idioms, 

technical lingo, slang terms, expressions, root words, or code words, that You used to refer to B2B 

Credit Scores, the B2B Credit Score Market, FICO Scores, VantageScore Solutions, 

VantageScores, Experian, Equifax, TransUnion, or the “Dynamic Royalty,” “No Equivalent 

Products,” or “Level Playing Field” provisions, or the Pre-Qualification royalty category, as those 

terms are used in the Complaints. 

INTERROGATORY NO. 2 

Identify all agreements, including settlement agreements; contracts; and amendments to 

agreements or contracts with Experian, Equifax, and TransUnion concerning Fair Isaac’s selling 

or supplying FICO scores to Experian, Equifax, and TransUnion, from the relevant time period 

to the present.

INTERROGATORY NO. 3 

Identify all persons who conceived, drafted, offered, negotiated, approved, or executed 

any agreement, contract, or amendment to agreements or contracts described in Interrogatory No. 

2, including the operative licensing agreements with Experian, Equifax, and TransUnion and/or 

those containing the “Dynamic Royalty,” “No Equivalent Products,” or “Level Playing Field” 

provisions, as those terms are used in the Complaints. 

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INTERROGATORY NO. 4 

Identify the contractual, economic, or other bases for the increases or adjustments for all 

price increases or adjustments, or increases or adjustments in royalties, margin, profit shares, or 

any other measure of value, relating to FICO Scores. 

INTERROGATORY NO. 5 

For each negotiation process listed below, identify the five current or former employees 

who are most knowledgeable about such negotiations, and also identify those employees’ 

counterparts at the respective Credit Bureau You believe have the most knowledge of such 

negotiations based on Your participation in such negotiations: 

a) Negotiations of the “Analytic and Data License Agreement” (“ADLA”) between 

Fair Isaac and TransUnion described in paragraph 108 through 117 and elsewhere in the 

DP Complaint (Dkt. 184) and paragraphs 120 through 130, and elsewhere in the IP 

Complaint (Dkt. 185), and all predecessor and successor Agreements to the ADLA. 

b) Negotiations of the Agreement between Fair Isaac and Equifax containing “terms 

that are similar to the terms agreed to by TransUnion in the ADLA” described in 

paragraph 108 through 117 and elsewhere in the DP Complaint (Dkt. 184) and 

paragraphs 120 through 130, and elsewhere in the IP Complaint (Dkt. 185), and all 

predecessor and successor Agreements.

c) Negotiations of the Agreement between Fair Isaac and Experian containing 

“terms that are similar to the terms agreed to by TransUnion in the ADLA” described in 

paragraph 108 through 117 and elsewhere in the DP Complaint (Dkt. 184) and 

paragraphs 120 through 130, and elsewhere in the IP Complaint (Dkt. 185), and all 

predecessor and successor Agreements. 

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d) Negotiations of the TransUnion Canada licensing agreement described in 

paragraphs 99 and 139 and elsewhere in the DP Complaint (Dkt. 184) and paragraphs 113 

and 153, and elsewhere in the IP Complaint (Dkt. 185), and all successor agreements. 

e) Negotiations of the “rev share” Agreement between Fair Isaac and Equifax 

described in paragraph 110 of the DP Complaint and paragraph 123 of the IP Complaint 

and all predecessor and successor Agreements. 

f) Negotiations of the “rev share” Agreement between Fair Isaac and Experian 

described in paragraph 110 of the DP Complaint and paragraph 123 of the IP Complaint 

and all predecessor and successor Agreements. 

g) Negotiations of any “rev share” Agreement between Fair Isaac and TransUnion 

similar to the ones described in paragraph 110 of the DP Complaint and paragraph 123 of 

the IP Complaint and all predecessor and successor Agreements. 

INTERROGATORY NO. 6 

For each topic listed below, identify the five current or former Fair Isaac employees who 

are most knowledgeable about such topic during the relevant period: 

a) The decision to initiate the VantageScore litigation; 

b) Lobbying efforts against VantageScore, including but not limited to, in connection 

with allowing VantageScore to be used by Fannie Mae or Freddie Mac; 

c) Analysis of the FICO Score’s market share, including how Fair Isaac arrives at 

figures for FICO’s market share, both domestically by state and internationally by country; 

and 

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d) Fair Isaac’s domestic competition analysis and strategy analysis, including but not 

limited to market, competition, and/or strategy analysis, for both domestic and international 

markets. 

Dated: November 6, 2023 Respectfully submitted, 

/s/ Lauren M. Weinstein /s/ Carmen Medici

Lauren M. Weinstein 

MOLOLAMKEN LLP 

600 New Hampshire Avenue, N.W., 

Suite 500 

Washington, DC 20037 

Telephone: 202-556-2000 

lweinstein@mololamken.com 

Carmen Medici 

SCOTT+SCOTT 

ATTORNEYS AT LAW LLP 

600 West Broadway, Suite 3300 

San Diego, CA 92101 

Telephone: 619-798-5319 

cmedici@scott-scott.com 

Steven F. Molo 

Lauren F. Dayton 

MOLOLAMKEN LLP 

300 N. LaSalle Street, Suite 5350 

Chicago, IL 60654 

Telephone: 312-450-6700 

smolo@mololamken.com 

ldayton@mololamken.com 

Liaison Counsel for Direct Purchaser 

Plaintiffs and the Proposed Direct 

Purchaser Class

Joseph P. Guglielmo (N.D. Ill. 2759819) 

Michelle E. Conston (admitted pro hac vice) 

SCOTT+SCOTT 

ATTORNEYS AT LAW LLP 

The Helmsley Building 

230 Park Avenue, 17th Floor 

New York, NY 10169 

Telephone: 212-223-6444 

Facsimile: 212-223-6334 

jguglielmo@scott-scott.com 

mconston@scott-scott.com 

Patrick McGahan (admitted pro hac vice) 

SCOTT+SCOTT 

ATTORNEYS AT LAW LLP

156 S. Main St. 

Colchester, CT 06415 

Telephone: 860-531-2606 

pmcgahan@scott-scott.com

Interim Lead Class Counsel for Direct 

Purchaser Plaintiffs and the Proposed Direct 

Purchaser Class 

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Gary F. Lynch 

CARLSON LYNCH LLP 

1133 Penn Avenue, 5th Floor 

Pittsburgh, PA 15222 

Telephone: 412-322-9243 

Facsimile: 412-231-0246 

glynch@carlsonlynch.com 

Katrina Carroll 

CARLSON LYNCH LLP 

111 W. Washington Street, Suite 1240 

Chicago, IL 60602 

Telephone: 312-750-1265 

kcarroll@carlsonlynch.com 

Jennifer W. Sprengel 

CAFFERTY CLOBES 

MERIWETHER & 

SPRENGEL LLP 

150 S. Wacker, Suite 3000 

Chicago, IL 60606 

Telephone: 312-782-4880 

jsprengel@caffertyclobes.com 

Barbara J. Hart (admitted pro hac vice) 

GRANT & EISENHOFER 

485 Lexington Ave., 29th Floor New 

York, NY 10017 

Telephone: 646-722-8526 

bhart@gelaw.com 

Paul E. Slater 

Joseph M. Vanek 

Michael G. Dickler 

Matthew T. Slater 

SPERLING & SLATER, P.C. 

55 West Monroe Street, Suite 3200 

Chicago, IL 60603 

Telephone: 312-641-3200 

pes@sperling-law.com 

jvanek@sperling-law.com 

mdickler@sperling-law.com 

mslater@sperling-law.com 

Christopher M. Burke 

Walter Noss 

Yifan (Kate) Lv 

KOREIN TILLERY PC 

707 Broadway, Suite 1410 

San Diego, CA 92101 

Telephone: (619) 6225-5620 

Facsimile: (314) 241-3525 

cburke@koreintillery.com 

wnoss@koreintillery.com 

klv@koreintillery.com 

George A. Zelcs 

Randall P. Ewing, Jr. 

Ryan Z. Cortazar 

KOREIN TILLERY, LLC 

205 North Michigan Avenue, Suite 1950 

Chicago, IL 60601 

Telephone: 312-641-9750 

Facsimile: 312-641-9751 

gzelcs@koreintillery.com 

rewing@koreintillery.com 

rcortazar@koreintillery.com 

Michael L. Roberts 

Karen Sharp Halbert 

ROBERTS LAW FIRM, P.A. 

20 Rahling Circle 

Little Rock, AR 72223 

Telephone: 501-821-5575 

mikeroberts@robertslawfirm.us 

karenhalbert@robertslawfirm.us 

Gregory S. Asciolla (admitted pro hac vice) 

Karin E. Garvey (admitted pro hac vice) 

Robin A. van der Meulen (admitted pro hac vice)

Matthew J. Perez (admitted pro hac vice) 

Jonathan S. Crevier (admitted pro hac vice) 

DICELLO LEVITT LLP 

485 Lexington Avenue, Suite 1001 

New York, New York 10017 

Telephone: 646-933-1000 

gasciolla@dicellolevitt.com 

kgarvey@dicellolevitt.com 

rvandermeulen@dicellolevitt.com 

mperez@dicellolevitt.com 

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Linda P. Nussbaum 

Susan Schwaiger 

NUSSBAUM LAW GROUP, P.C. 

1211 Avenue of the Americas 

40th Floor 

New York, NY 10036 

Telephone: 917-438-9102 

lnussbaum@nussbaumpc.com 

sschwaiger@nussbaumpc.com 

Daniel E. Gustafson 

(admitted pro hac vice) 

Daniel C. Hedlund 

(admitted pro hac vice) 

Michelle J. Looby 

(admitted pro hac vice) 

Joshua J. Rissman 

Ling S. Wang 

GUSTAFSON GLUEK PLLC 

Canadian Pacific Plaza 

120 South Sixth Street, Suite 2600 

Minneapolis, MN 55402 

Telephone: 612-333-8844 

dgustafson@gustafsongluek.com 

dhedlund@gustafsongluek.com 

mlooby@gustafsongluek.com 

jrissman@gustafsongluek.com 

lwang@gustafsongluek.com 

Dennis Stewart (admitted pro hac vice) 

GUSTAFSON GLUEK PLLC 

600 B Street, 17th Floor San 

Diego, CA 92101 

Telephone: 619-595-3200 

dstewart@gustafsongluek.com 

Kenneth A. Wexler 

Melinda J. Morales 

WEXLER BOLEY & ELGERSMA 

LLP 

311 S. Wacker Dr., Suite 5450 

Chicago, IL 60606 

Telephone: 312-346-2222 

kaw@wbe-llp.com 

mjm@wbe-llp.com

jcrevier@dicellolevitt.com 

Marvin A. Miller 

Lori A. Fanning 

MILLER LAW LLC 

115 South LaSalle Street, Suite 2910 

Chicago, IL 60603 

Telephone: 312-332-3400 

mmiller@millerlawllc.com 

lfanning@millerlawllc.com 

Guillaume Buell (admitted pro hac vice) 

THORNTON LAW FIRM LLP 

1 Lincoln Street, 13th Floor 

Boston, MA 02111 

Telephone: 617-720-1333 

gbuell@tenlaw.com 

Don Barrett (pro hac vice forthcoming) 

BARRETT LAW GROUP, P.A. 

404 Court Square 

P.O. Box 927 

Lexington, MS 39095 

Telephone: 662-834-2488 

dbarrett@barrettlawgroup.com 

donbarrettpa@gmail.com 

Richard R. Barrett (pro hac vice forthcoming) 

BARRETT LAW GROUP, P.A. 

2086 Old Taylor Road, Suite 1011 

Oxford, MS 38655 

Telephone: 662-380-5018 

rrb@rrblawfirm.net 

Michael P. Lehmann (SBN 77152) 

Christopher Lebsock (SBN 184546) 

HAUSFELD LLP 

600 Montgomery Street, Suite 3200 

San Francisco, CA 94111 

Telephone: 415-633-1908 

mlehmann@hausfeld.com 

clebsock@hausfeld.com 

Hilary K. Scherrer 

Paul Gallagher 

HAUSFELD LLP 

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Charles F. Barrett 

(admitted pro hac vice) 

NEAL & HARWELL, PLC 

1201 Demonbreun Street, Suite 1000 

Nashville, TN 37203 

Telephone: 615-244-1713 

cbarrett@nealharwell.com 

1700 K Street, N.W., Suite 650 

Washington, DC 20006 

Telephone: 202-540-7200 

hscherrer@hausfeld.com 

pgallagher@hausfeld.com 

Scott A. Martin 

Irving Scher 

Jeanette Bayoumi 

HAUSFELD LLP 

33 Whitehall Street, 14th Floor 

New York, NY 10004 

Telephone: 646-357-1100 

smartin@hausfeld.com 

ischer@hausfeld.com 

jbayoumi@hausfeld.com 

Counsel for Direct Purchaser Plaintiffs and the 

Proposed Direct Purchaser Class

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 /s/__Garrett D. Blanchfield________ 

Garrett D. Blanchfield 

REINHARDT WENDORF & 

BLANCHFIELD 

Garrett D. Blanchfield (Pro Hac Vice) 

Brant D. Penney (Pro Hac Vice) 

Roberta A. Yard (Pro Hac Vice)

332 Minnesota Street, Suite W-1050 

St. Paul, MN 55101 

Tel: (651) 287-2100 

Fax: (651) 287-2103 

g.blanchfield@rwblawfirm.com 

b.penney@rwblawfirm.com 

r.yard@rwblawfirm.com 

/s/__William G. Caldes__________ 

SPECTOR ROSEMAN & KODROFF 

P.C.

Jeffrey J. Corrigan (Pro Hac Vice) 

Jeffrey L. Spector (Pro Hac Vice) 

William G. Caldes (Pro Hac Vice) 

Icee N. Etheridge (Pro Hac Vice

forthcoming) 

2001 Market Street, Suite 3420 

Philadelphia, PA 19103 

Tel: (215) 496-0300 

Fax: (215) 496-6611 

JCorrigan@srkattorneys.com 

JSpector@srkattorneys.com 

BCaldes@srkattorneys.com 

IEtheridge@srkattorneys.com 

Interim Lead Class Counsel for Indirect 

Purchaser Plaintiffs and the Proposed 

Indirect Purchaser Class 

/s/__Charles R. Watkins__________ 

GUIN, STOKES & EVANS, LLC 

Charles R. Watkins (3122790) 

321 South Plymouth Court Suite 1250 

Chicago, IL 60604 

Tel: (312) 878-8391 

Fax: (205) 226-2357 

charlesw@gseattorneys.com 

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Liaison Counsel for Indirect Purchaser 

Plaintiffs 

GLANCY PRONGAY & MURRAY 

LLP 

Brian P. Murray (Pro Hac Vice

forthcoming) 

Lee Albert (Pro Hac Vice forthcoming) 

230 Park Avenue, Suite 358 

New York, NY 10169 

Tel: (212) 682-5340 

Fax: (212) 884-0988 

bmurray@glancylaw.com

lalbert@glancylaw.com

FREED KANNER LONDON 

& MILLEN LLC 

Douglas A. Millen 

2201 Waukegan Road, Suite 130 

Bannockburn, IL 60015 

Tel: (224) 632-4500 

dmillen@fklmlaw.com

FREED KANNER LONDON 

& MILLEN LLC 

Jonathan M. Jagher (Pro Hac Vice

forthcoming) 

923 Fayette Street 

Conshohocken, PA 19428 

Tel: (610) 234-6487 

BONI, ZACK & SNYDER LLC 

Michael J. Boni (Pro Hac Vice forthcoming) 

Joshua D. Snyder (Pro Hac Vice forthcoming) 

John E. Sindoni (Pro Hac Vice forthcoming) 

15 St. Asaphs Road 

Bala Cynwyd, PA 19004 

Tel: 610-822-0200 

Fax: 610-822-0206 

mboni@bonizack.com

jsnyder@bonizack.com 

jsindoni@bonizack.com

MCLAFFERTY LAW FIRM, P.C. 

David McLafferty (Pro Hac Vice forthcoming) 

Attorneys at Law 

923 Fayette Street 

Conshohocken, PA 19428 

Tel: (610) 940-4000 ext. 12 

www.McLaffertyLaw.com

SALTZ, MONGELUZZI & BENDESKY, P.C. 

Simon B. Paris, Esq. (Pro Hac Vice forthcoming) 

Patrick Howard, Esq. (Pro Hac Vice

forthcoming) 

1650 Market Street, 52nd Floor 

Philadelphia, PA 19103 

Tel: (215) 575-3985 

Fax: (215) 496-0999 

sparis@smbb.com 

phoward@smbb.com

Counsel for Indirect Purchaser Plaintiffs and the 

Proposed Indirect Purchaser Class

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CERTIFICATE OF SERVICE 

I, Carmen A. Medici, an attorney, hereby certify that on November 6, 2023, I caused a true 

and correct copy of the foregoing to be served by electronic mail on all counsel of record. 

s/ Carmen A. Medici 

Carmen A. Medici 

 

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