A SPECIAL REPRINT FOR

Incorporating IP February 2008 www.managingip.com

METHODOLOGY AT A GLANCE

The results of Managing IP’s survey are distinguish between firms that draft patents strongest practices in each category. Within based on extensive research and interviews themselves and firms that derive a large each tier, firms are listed alphabetically. with practitioners worldwide. part of their prosecution work from refiling All firms included, in all tiers, will have A team of researchers based in , patents originally drafted in other jurisdic- received several recommendations and endorse- and New York contacted firms tions. The latter offer a valuable service to ments in order to be included in the rankings. in 65 jurisdictions to ask them for informa- IP owners and are often recommended and No one outside of Managing IP has seen tion and feedback on the rankings. Client hence are included in the survey. the final rankings before publication. feedback was also sought. Contentious work includes all other legal No firm can vote for its own inclusion, Based on this research, firms are ranked work, such as enforcement and licensing. or recommend an associated or sister firm in tiers in each jurisdiction. In most juris- Firms that handle both prosecution and in another jurisdiction. dictions, there are separate tables for prose- contentious work are eligible to appear in The rankings reflect the state of the mar- cution and contentious work. both tables. ket when the research was conducted, Prosecution work includes filing of The tiers reflect the perception of the between September 2007 and January 2008. patents or trade marks and associated leading firms in each market, with the top Managing IP itself does not recommend work. Please note that the survey does not tier listing those firms regarded as having the or endorse any particular firms. PATENT SURVEY: AMERICAS

UNITED STATES JAPAN FOREIGN FIRMS PATENT PROSECUTION PATENT CONTENTIOUS BIO LIFE SCIENCES PATENTS

Tier 1 Tier 1 Tier 1 Tier 1 FINNEGAN, HENDERSON, FINNEGAN, HENDERSON, Fish & Richardson PC FINNEGAN, HENDERSON, FARABOW, GARRETT & FARABOW, GARRETT & FARABOW, GARRETT & Tier 2 DUNNER LLP DUNNER LLP DUNNER LLP FINNEGAN, HENDERSON, Fish & Richardson PC Kirkland & Ellis LLP Lovells Knobbe Martens Olson & Bear LLP FARABOW, GARRETT & Morrison & Foerster Tier 2 DUNNER LLP Tier 2 Fish & Richardson PC Fitzpatrick, Cella, Harper & Scinto Tier 2 Fitzpatrick, Cella, Harper & Scinto LLP Jones Day Hogan & Hartson Foley & Lardner LLP Jones Day Kenyon & Kenyon LLP Sughrue Mion PLLC Kenyon & Kenyon LLP McDermott Will & Emery Knobbe Martens Olson & Bear LLP Kilpatrick Stockton LLP Weil, Gotshal & Manges LLP McDermott Will & Emery Tier 3 Morrison & Foerster LLP WilmerHale LLP Morrison & Foerster LLP Foley & Lardner LLP Townsend and Townsend and Crew LLP Ropes & Gray LLP Morgan Lewis Tier 3 Townsend and Townsend and Crew LLP Tier 3 Irell & Manella LLP WilmerHale LLP Banner & Witcoff Ltd Kenyon & Kenyon LLP Blakely Sokoloff Taylor & Zafman LLP Quinn Emmanuel Urquhart Oliver & Hedges LLP Tier 3 Darby & Darby PC Sidley Austin LLP Choate Hall & Stewart LLP LLP Townsend and Townsend and Crew LLP Foley & Lardner LLP DLA Piper LLP Heller Ehrman LLP Tier 4 Howrey LLP Jones Day Baker Botts LLP Kaye Scholer LLP McDermott Will & Emery Brinks Hofer Gilson & Lione Kilpatrick Stockton LLP Merchant & Gould PC DLA Piper Marshall, Gerstein & Borun LLP Ropes & Gray LLP Fitzpatrick, Cella, Harper & Scinto Sidley Austin LLP Foley & Lardner LLP Sonnenschein Nath & Rosenthal LLP Tier 4 Heller Ehrman LLP Birch Stewart Kolasch & Birch LLP Morrison & Foerster LLP Tier 4 Fulbright & Jaworski LLP O’Melveny & Myers LLP Alston & Bird LLP Oblon Spivak McClelland Maier & Neustadt PC Orrick, Herrington & Sutcliffe LLP Cooley Godward Kronish LLP Pillsbury Winthrop Shaw Pittman LLP Ropes & Gray LLP King & Spalding Proskauer Rose LLP Proskauer Rose LLP Sterne Kessler Goldstein Fox PLLC Tier 5 Sterne Kessler Goldstein & Fox PLLC Sughrue Mion PLLC Cooley Godward Kronish LLP WilmerHale LLP Dickstein Shapiro LLP ITC Hogan & Hartson LLP Tier 5 Greenberg Traurig LLP Tier 1 Baker Botts LLP Keker & Van Nest LLP Adduci, Mastriani & Schaumberg LLP Drinker Biddle LLP King & Spalding FINNEGAN, HENDERSON, Nixon Vanderhye PC Knobbe Martens Olson & Bear LLP FARABOW, GARRETT & Oliff & Berridge PLLC Robins, Kaplan, Miller & Ciresi LLP DUNNER LLP Sheridan Ross PC Fish & Richardson PC Welsh & Katz Ltd Tier 6 Howrey LLP Banner & Witcoff Ltd Kenyon & Kenyon Tier 6 Day Casebeer Madrid Batchelder LLP Kirkland & Ellis LLP Greenberg Traurig LLP Fulbright & Jaworski LLP Ladas & Parry LLP Latham & Watkins LLP Tier 2 Lott & Friedland PA Morgan & Finnegan LLP Heller Ehrman LLP McDonnell Boehnen Hulbert & Berghoff LLP Patterson Belknap Webb & Tyler LLP Weil Gotshal Manges Needle & Rosenberg PC Wilson Sonsini Goodrich and Rosati WilmerHale LLP White & Case LLP Tier 7 Tier 3 Darby & Darby Ltd Akin Gump Strauss Hauer Feld LLP Milbank, Tweed, Hadley & McCloy LLP Bingham McCutchen LLP Niro, Scavone, Haller & Niro Ltd Foley & Lardner LLP Oblon Spivak McClelland Maier & Neustadt PC Gibson Dunn & Crutcher LLP White & Case LLP Hogan & Hartson LLP Jones Day King & Spalding Miller & Chevalier Morgan & Finnegan LLP Orrick, Herrington & Sutcliffe LLP