- Abbott Laboratories (Legal Dept.)
- Alston & Bird
- Arnstein & Lehr
- Aronberg Goldgehn Davis & Garmisa
- Baker & McKenzie
- Baniak Pine & Gannon
- Banner & Witcoff
- Barnes & Thornburg LLP
- Bell, Boyd & Lloyd, LLC
- BlueCross BlueShield Association
- BP America, Inc. (Legal Dept.)
- Brinks Hofer Gilson & Lione
- Bullwinkel Partners, Ltd.
- Carponelli & Krug
- Cassiday, Schade & Gloor
- Clausen Miller P.C.
- Coffey & Associates, LLC
- Connelly Roberts & McGivney LLC
- Cook, Alex, McFarron, Manzo, Cummings
& Mehler
- Cooley Godward LLP
- Crisham & Kubes, Ltd.
- Daar, Fisher, Kanaris & Vanek, P.C.
- Defrees & Fiske
- Deutsch, Levy & Engel
- Fenwick & West LLP
- Fish & Richardson
- Fitch Even Tabin & Flannery
- Fitzpatrick, Cella, Harper & Scinto
- Foley & Lardner
- Freeborn & Peters
- Gardner Carton & Douglas LLC
- Greenberg Traurig, P.C.
- Hewlett-Packard
- Hinshaw & Culbertson
- Holland & Knight LLC
- Howrey Simon Arnold & White, LLP
- Jenkens & Gilchrist
- Jenner & Block
- Jones Day
- Katten Muchin Zavis Rosenman
- Kenyon & Kenyon
- Kilpatrick Stockton LLP
- Kirkland & Ellis
- Leydig, Voit & Mayer, Ltd
- Lord Bissell & Brook
- Malven, Powers & Pascucci, LLC
- Marshall Gerstein & Borun LLP
- Masuda Funai Eifert & Mitchell, Ltd.
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- Mayer Brown LLP
- McAndrews, Held & Malloy
- McDonnell Boehnen Hulbert & Berghoff
- McGuireWoods Ross & Hardies
- Meschkow & Gresham, PLC
- Michael Best & Friedrich
- Much Shelist Freed Denenberg Ament & Rubenstein, P.C.
- Niro, Scavone, Haller & Niro
- Patton Boggs LLP
- Patula & Associates
- Patzik, Frank & Samotny Ltd.
- Pillsbury Winthrop LLP
- Piper Rudnick
- Rooks Pitts
- Roper & Quigg
- Ruben Law Firm
- Sachnoff & Weaver
- Schiff Hardin & Waite
- Schwartz Cooper Greenberger & Krauss
- Schwartz & Goldberg, P.C.
- Seyfarth Shaw
- Shefsky & Froelich Ltd.
- Sheridan Ross PC
- Skadden, Arps, Slate, Meagher & Flom LLP
- Sonnenschein Nath & Rosenthal LLP
- St. Onge Steward Johnston & Reens
- Swanson Martin & Bell
- Thompson Coburn LLP
- Tobin, Carberry, O'Malley, Riley & Selinger P.C.
- Townsend and Townsend and Crew LLP
- Tressler, Soderstrom, Maloney & Priess
- Trexler, Bushnell, Giangiorgi, Blackstone & Marr, Ltd.
- Ungaretti & Harris
- UOP LLC (Law Dept.)
- Vansco, Genelly & Miller
- Vedder Price
- Visa International
- Wallenstein & Wagner, Ltd.
- Welsh & Katz, Ltd.
- Wildman, Harrold, Allen & Dixon LLP
- William Harold
- Winston & Strawn
- W.W. Grainger, Inc.
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