Prosecution Insights
Last updated: October 25, 2026

Biotechnology & Pharmaceuticals: Law Firms

365 law firms with pending patent office actions in this technology area (USPTO Tech Center 1600) • 36,750 pending office actions combined

Browse by technology area: Biotechnology & Pharmaceuticals • Chemistry & Materials • Computing & Software • Networking & Security • Communications • Semiconductors, Circuits & Optics • Transportation, E-Commerce & Mechanical Systems • Medical Devices & Mechanical Engineering
FirmPending OAsShare of portfolio in this area
FISH & RICHARDSON P.C. (TC)2,99316%
Knobbe, Martens, Olson & Bear, LLP1,67421%
NORTON ROSE FULBRIGHT US LLP91621%
Troutman Pepper Locke LLP88024%
MARSHALL, GERSTEIN & BORUN LLP87338%
WENDEROTH, LIND & PONACK, L.L.P.82522%
GREENBERG TRAURIG, LLP (BOS)81720%
LEYDIG VOIT & MAYER, LTD80623%
BakerHostetler77026%
STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C.68231%
WOLF GREENFIELD & SACKS, P.C.65143%
Meunier Carlin & Curfman LLC52941%
Barnes & Thornburg LLP (IN)52322%
ARENTFOX SCHIFF LLP49318%
Kilpatrick Townsend & Stockton LLP - West Coast47731%
SEED INTELLECTUAL PROPERTY LAW GROUP LLP44224%
POLSINELLI PC (Main Customer Number)44221%
COOLEY LLP44052%
Sheppard, Mullin, Richter & Hampton LLP43123%
MCDONNELL BOEHNEN HULBERT & BERGHOFF LLP42425%
QUARLES & BRADY LLP41930%
GOODWIN PROCTER LLP39555%
Fox Rothschild LLP39433%
PROCOPIO, CORY, HARGREAVES & SAVITCH LLP38225%
WILSON SONSINI GOODRICH & ROSATI37957%
KLARQUIST SPARKMAN, LLP36837%
Casimir Jones, S.C.35473%
Nixon Peabody LLP35333%
BALLARD SPAHR LLP34629%
Baker Botts L.L.P.33521%
MORRISON & FOERSTER LLP32948%
MCCARTER & ENGLISH, LLP BOSTON31443%
THOMAS | HORSTEMEYER, LLP30027%
ROTHWELL, FIGG, ERNST & MANBECK, P.C.28434%
MYERS BIGEL, P.A.28243%
The Roy Gross Law Firm, LLC27340%
NOVICK, KIM & LEE, PLLC, dba NKL Law27236%
Leason Ellis LLP26643%
FENWICK & WEST LLP26425%
SALIWANCHIK, LLOYD & EISENSCHENK25145%
HODGSON RUSS LLP24922%
FOLEY HOAG, LLP (General)24770%
Bayramoglu Law Offices LLC24224%
LUCAS & MERCANTI, LLP24029%
MH2 TECHNOLOGY LAW GROUP, LLP21130%
SMART & BIGGAR LP21022%
BLANK ROME LLP20726%
TAROLLI, SUNDHEIM, COVELL & TUMMINO L.L.P.20526%
CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC20526%
PANITCH SCHWARZE BELISARIO & NADEL LLP20033%
pH IP Law20086%
CARTER, DELUCA & FARRELL LLP19521%
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.19224%
LEX IP MEISTER, PLLC18326%
Kilpatrick Townsend & Stockton LLP - East Coast17824%
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.17734%
Riverside Law LLP17354%
Saul Ewing LLP (Philadelphia)16961%
Clark+Elbing LLP16778%
McCarter & English, LLP16735%
MEDLER FERRO WOODHOUSE & MILLS PLLC16758%
SQUIRE PB (SFR Office)16539%
Ipsilon USA - NLO16043%
WC&F IP15863%
Jones Day15744%
Lathrop GPM LLP15161%
THE MARBURY LAW GROUP, PLLC14936%
AMSTER, ROTHSTEIN & EBENSTEIN LLP14729%
HESLIN ROTHENBERG FARLEY & MESITI PC13928%
FBT Gibbons LLP13724%
K&L Gates LLP-Nestec S.A.13638%
MCKEE, VOORHEES & SEASE, P.L.C.13357%
LANDO & ANASTASI, LLP13335%
PABST PATENT GROUP LLP12681%
FisherBroyles, LLP12639%
ICE MILLER LLP12341%
STITES & HARBISON PLLC12033%
MUETING RAASCH GROUP11935%
Maynard Nexsen PC (GREENVILLE OFFICE)11729%
KPPB LLP11620%
Abel Schillinger, LLP11321%
BROWN RUDNICK LLP11147%
ARMSTRONG TEASDALE LLP (15060)11038%
PA - BOZICEVIC FIELD & FRANCIS LLP10956%
DENTONS US LLP10577%
McBee Moore & Vanik, IP, LLC9850%
Hoffmann & Baron LLP9446%
BOZICEVIC, FIELD & FRANCIS LLP9482%
HOWSON & HOWSON LLP9280%
Revolution IP, PLLC9128%
Vorys, Sater, Seymour and Pease LLP8938%
CHOATE, HALL & STEWART LLP8774%
The PL Law Group, PLLC8128%
Meagher Emanuel Laks Goldberg & Liao, LLP8021%
DeWitt LLP (Minneapolis)7829%
CHALKER FLORES, LLP7568%
JMB Davis Ben-David7447%
WOOD, PHILLIPS, KATZ, CLARK & MORTIMER7444%
FULLER IP LAW LLC7265%
BENESCH, FRIEDLANDER, COPLAN & ARONOFF LLP6930%
HOXIE & ASSOCIATES LLC6894%
McNeill PLLC6899%
Fishman Stewart PLLC6627%
DLA PIPER LLP (US)6647%
Laine IP Oy6525%
Raphael Bellum PLLC6471%
SZDC Law P.C.6343%
NGUYEN TARBET IP Law6344%
Jenkins, Taylor & Hunt, P.A.6250%
Apex Attorneys at Law, LLP6128%
Pilloff Passino & Cosenza LLP5822%
VIKSNINS HARRIS PADYS MALEN LLP5777%
Joseph R. Baker, APC5667%
ECKERT SEAMANS CHERIN & MELLOTT LLC5623%
Silvia Salvadori, P.C.5670%
Junhe Law Office P.C.5551%
MORSE, BARNES-BROWN & PENDLETON, P.C.5477%
Umberg Zipser LLP5351%
HOFFMAN WARNICK LLC5327%
WOLTER VAN DYKE DAVIS, PLLC5361%
GATES & COOPER LLP (General)5338%
Cherson Feldenkrais IP Law Firm LLP5325%
DENTONS DAVIS BROWN PC5239%
Sullivan & Worcester LLP5269%
KAGAN BINDER, PLLC5254%
United One Law Group LLC5135%
Patent Law Works, LLP5153%
ARRIGO, LEE, GUTTMAN & MOUTA-BELLUM LLP5182%
DUANE MORRIS LLP - Boca Raton4935%
CURATOLO SIDOTI & TRILLIS CO., LPA4937%
ELMORE PATENT LAW GROUP, PC4979%
MENDELSOHN DUNLEAVY, P.C.4829%
Arnold & Porter Kaye Scholer LLP4828%
Johnson, Marcou, Isaacs & Nix, LLC4689%
DUANE MORRIS LLP - San Diego4523%
Rimon PC4332%
MACMILLAN SOBANSKI & TODD, LLC4337%
Lathrop GPM LLP | Sanofi-Aventis4298%
STIP Law Group, LLC4233%
Shackelford, Bowen, McKinley & Norton (Amini)4246%
Stanek Lemon Crouse and Meeks, PA4028%
PORTER WRIGHT MORRIS & ARTHUR, LLP4054%
Taft Law3959%
SERVILLA WHITNEY LLC3838%
BORDEN LADNER GERVAIS LLP (OTTAWA)3620%
BOOTH UDALL, PLC3565%
Fresh IP PLC3534%
HULTQUIST IP3474%
Kim IP Law Group LLC3421%
Biospark Intellectual Property Law34100%
Acuity Law Group, P.C.3361%
DANN, DORFMAN, HERRELL & SKILLMAN3378%
Dickinson Wright PLLC3372%
MCHALE & SLAVIN, P.A.3225%
Byrne Poh LLP3229%
Gearhart Law LLC3127%
AMIN WASSERMAN GURNANI LLP3140%
SMITH BALUCH LLP3121%
Reichel Stohry Dean LLP3121%
Fox Rothschild LLP - JHU3194%
UVA-Jenkins, Taylor & Hunt3093%
Adams & Reese LH3059%
CANTOR COLBURN LLP - UPL LIMITED3093%
McKee, Voorhees & Sease P.L.C. ATTN: Ecolab Inc3024%
HAUG PARTNERS LLP3053%
DUANE MORRIS LLP - NY2975%
KOLISCH HARTWELL, P.C.2928%
Bay State IP, LLC2821%
Harris Beach Murtha Cullina PLLC2821%
K&L Gates LLP-Boston2861%
Liang & Hennessey LLP2839%
NYEMASTER GOODE P.C.2856%
Hudak, Shunk & Farine Co. LPA2722%
LICATA & TYRRELL P.C.2796%
HONGKONG IP2722%
THOMAS|HORSTEMEYER, LLP - UF2733%
Cermak & McGowan LLP2774%
OHLANDT, GREELEY & PERLE, LLP2627%
Carlson, Caspers, Vandenburgh & Lindquist, P.A.2552%
Vorys-Solventum2525%
Lei Fang & Associates LLC2528%
Grimes & Yvon LLP25100%
FLENER IP Law d.b.a. Flener IP & Business Law2529%
HYLTON-RODIC LAW PLLC2532%
Berg Hill Greenleaf & Ruscitti LLP2560%
MBHB - WARF2496%
DAMBROSIO & MENON, P.L.L.C.2335%
PROSKAUER ROSE LLP23100%
THE FIRM OF HUESCHEN AND SAGE2387%
Kunzler Needham Hilton2224%
HAYNES BEFFEL & WOLFELD LLP2223%
Thompson Coburn LLP2248%
INTELLECTUAL PROPERTY LAW GROUP LLP2132%
WHITEFORD, TAYLOR & PRESTON, LLP2138%
VIVICAR Law, PLLC2133%
Baker, Donelson, Bearman, Caldwell & Berkowitz, PC2084%
Knowles Intellectual Property Strategies, LLC2095%
Dennemeyer & Associates, LLC2037%
MEYER UNKOVIC & SCOTT LLP2020%
Dentons Cohen & Grigsby P.C.2070%
JCIP2035%
Leech Tishman Fuscaldo & Lampl2025%
Brannon Sowers & Cracraft PC1922%
Haukaas Fortius PLLC1963%
Reed Smith LLP (972852)1921%
ORRICK, HERRINGTON & SUTCLIFFE LLP1947%
Lavery, De Billy, LLP1844%
Cantor Colburn LLP - Raytheon1822%
Renner Kenner Greive Bobak Taylor & Weber Co., LPA1822%
Milstein Zhang & Wu LLC1894%
Arnall Golden Gregory LLP1822%
EVENTIDE LAW LLC1850%
Ferguson Braswell Fraser Kubasta PC1735%
Koivula & Somersalo LLC1747%
MBHB - IDEXX1750%
DENTONS BINGHAM GREENEBAUM LLP1625%
Lex Generalis, LLC1675%
Nevrivy Patent Law Group P.L.L.C.1688%
Synergy IP Group AG1567%
Calyx Law LLP1536%
Lewis Kohn & Walker LLP1567%
Juniv LLP15100%
Torrey Pines Law Group, PC1540%
MH2 -DPLG1520%
BAUMGARTNER PATENT LAW1567%
MUNCK WILSON MANDALA L.L.P1423%
Alford Law Group, Inc.1443%
King & Spalding, LLP (HOU)1423%
PLEECHAE Intellectual Property LLC1457%
BELL & ASSOCIATES1493%
Culhane Meadows PLLC1464%
K&L Gates - Novartis14100%
Florek & Endres PLLC1369%
Yoo & Associates, Inc.1323%
ARENTFOX SCHIFF LLP and CARDINAL HEALTH1323%
Entralta1377%
Watts Law LLC1331%
JC ONE WORLD1362%
KRAMER & AMADO, P.C.1362%
Houston Beshining Law Office PLLC1367%
Adler Pollock & Sheehan P.C.1338%
DUANE MORRIS LLP - Quest Diagnostics1375%
Williams Mullen1323%
Patterson+Sheridan, LLP1338%
Pearl Cohen Zedek Latzer Baratz LLP1369%
POLSINELLI and DUKE UNIVERSITY13100%
POLSINELLI PC - UTSW1273%
Olson & Cepuritis, LTD.1233%
Anderson Patent Law Firm LLC1273%
Miller Nash LLP1225%
Clark+Elbing LLP - Genentech and Roche12100%
Norton Rose Fulbright - UT Southwestern1250%
Blanchard Horton PLLC1160%
Berg Hill Greenleaf Ruscitti LLP1127%
NORTON ROSE FULBRIGHT US LLP - CHMC11100%
GOLDILOCKS ZONE IP LAW1136%
NEW RIVER VALLEY INTELLECTUAL1136%
Medlen & Carroll, LLP1155%
EVAN LAW GROUP LLC1136%
Boulware & Valoir PLLC1127%
EAGLE IP LIMITED1155%
Perkins Coie LLP - SDO General1120%
MCCARTER & ENGLISH, LLP WILMINGTON1145%
K&L Gates LLP - Chicago1020%
Law Offices of Alan J. Morrison1090%
Levenfeld Pearlstein, LLC1020%
Giordano Law LLC1050%
Foundation Law Group1070%
FisherBroyles, LLP - Dayton, Ohio1022%
Patent Ventures, LLC1020%
REMENICK PLLC1040%
Cole Schotz, P.C.1030%
CBM Patent Consulting, LLC1020%
CANTOR COLBURN LLP - UCONN1070%
BIOTECH BEACH LAW PC1060%
Arnold & Porter Kaye Scholer LLP - Roquette Freres1080%
White & Case LLP10100%
JACKSON WALKER LLP1030%
Feeney IP Law978%
COZEN O'CONNOR (Alnylam)956%
Gardella Alciati933%
FisherBroyles, LLP - Codexis, Inc.9100%
Forge IP, PLLC967%
MH2 Technology Law Grp989%
Antheros Legal Advisors LLP944%
Antoinette G Giugliano PC944%
Law Office of Michael A. Sanzo, LLC944%
Law Office of Michael D. Eisenberg922%
Parker Poe Adams & Bernstein LLP956%
PERKINS COIE LLP - LOS GENERAL989%
ASEM IP COUNSEL933%
Charney IP Law LLC933%
BakerHostetler - Inovio967%
Cepeda Patent Law, LLC.9100%
Marietti Gislon e Trupiano Srl922%
Mayer Brown LLP944%
Birchwood IP- CHK001933%
ArentFox Schiff, LLP & DFCI8100%
EpiMED LLC8100%
FULWIDER PATTON LLP825%
Prismatic Law Group, PLLC8100%
BAKER & MCKENZIE LLP (Dallas account)825%
UltimatEdge IP Law Group, P.C.862%
Baker Donelson8100%
ProPat, LLC862%
MBM Intellectual Property Law LLP838%
Trenam Law (UCF Matters)825%
TEMMERMAN LAW838%
KORUS Patent, LLC838%
OGC Law, LLC825%
Matney Legal Group PLLC862%
Clark+Elbing LLP - Moderna8100%
Syndicated Law PC875%
Kern Kendrick, LLC843%
MBHB - UW875%
Daniel Law Offices, P.A.729%
Clark+Elbing LLP - Revolution Medicines, Inc.7100%
K&L Gates LLP - Tessera7100%
SISKINDS LLP757%
SMITH PATENT, LLC771%
Spectrum IP Law Group LLC733%
Jones Day for Merck-PBI-CSMC786%
GLOBAL PATENT GROUP - MDA786%
Thompson Patent Law Offices PC733%
Thrive IP743%
HelixIP LLP771%
ArentFox Schiff, LLP & Memorial Sloan-Kettering7100%
HOGAN LOVELLS US LLP729%
Weatherly IP Solutions, LLC786%
Keisen Associates729%
Prosyla Group PC7100%
Sci-Law Strategies, PC640%
Opes IP Consulting Co., Ltd.633%
Double Helix Law6100%
Hunt IP Law6100%
COVINGTON & BURLING, LLP683%
Rivkin Radler LLP683%
Wideband IP Office6100%
CredIPR LLC633%
Meunier Carlin & Curfman LLC & Poly-Med650%
ST. ONGE STEWARD JOHNSTON & REENS LLC683%
Fitzpatrick PC633%
The Juhasz Law Firm, P.C.650%
GREENBERG & LIEBERMAN, LLC633%
MBHB - Massachusetts Institute of Technology683%
GTC Law Group PC & Affiliates - Tufts650%
GOLDSTEIN LAW OFFICES, P.C.520%
Singleton Law, PLLC580%
Hsuanyeh Law Group, PC520%
COSUD INTELLECTUAL PROPERTY SOLUTIONS, P.C.560%
SCHLEE IP INTERNATIONAL, P.C.520%
Pike IP Law, PLLC520%
Dunlap Codding, P.C. - Oklahoma State University580%
Sheppard Mullin Richter & Hampton LLP-Ionis Pharm5100%
MBHB - BP Corporation North America Inc.540%
Guice Patents PLLC520%
RinLaures LLC5100%
Purdue - Flaster Greenberg P.C.5100%
PERKINS COIE LLP - Vektor Medical520%
SMIRMAN IP LAW, PLLC540%
SDIP LLC540%
Cozen O'Connor-DC Office540%
Weintraub Tobin Chediak Coleman Grodin520%
KOHN & ASSOCIATES, PLLC520%
AdamsIP, LLC520%

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