IBM patent applications that have been in prosecution for 3 or more years

IBM has 11175 pending US patent applications out of which 3250 are in the prosecution cycle for more than 3 years, and 1054 patent applications have been in the prosecution cycle for more than 5 years.

The exhibit below has statistics of pending applications of IBM that are in the prosecution cycle for more than 3 years.

Law Firms Prosecuting These Pending Applications

The table below provides the distribution of 11175 pending applications to the law firms prosecuting these patents. You can check the top law firms that prosecuted most patents for IBM here: Law firms that prosecuted most patents for IBM at the USPTO

Law FirmNumber of Patents
IBM4302
Cantor Colburn1008
Tutunjian & Bitetto731
Scully Scott Murphy & Presser 403
Amin Turocy & Watson 315
Roberts Calderon Safran & Cole 311
Schmeiser Olsen & Watts 287
Proactive Patents 279
Griffiths & Seaton 272
Zilka Kotab 241
Cuenot Forsythe & Kim 222
Mcginn Intellectual Property Law Group 215
Walder Intellectual Property Law215
Patterson & Sheridan 214
Otterstedt Wallace & Kammer 195
Ryan Mason & Lewis 192
Edell Shapiro & Finnan 139
Duke W Yee120
Heslin Rothenberg Farley & Mesiti Pc89
Fleit Intellectual Property Law88
Keohane & D’Alessandro87
Foley Hoag Llp84
Sherman Ip Llp84
Michael J Chang Llc71
Law Office Of Jim Boice70
Lieberman & Brandsdorfer Llc65
Nelson And Nelson64
Intelletek Law Group Pllc59
Ference & Associates Llc58
Harrington & Smith Attorneys At Law Llc57
Terrile Cannatti & Chambers Llp55
Garlick & Markison52
Troutman Pepper Hamilton Sanders Llp49
Kunzler Bean & Adamson46
David H Judson42
F Chau & Associates Llc40
Michael Best & Friedrich Llp34
Conley Rose Pc32
Lou Percello Attorney Pllc22
North Shore Patents Pc22
Jeffrey S Labaw21
Russell Ng Pllc21
International Ip Law Group20
Dept Ien19
Zip Group Pllc19
Martin & Associates Llc18
Venable Llp16
Canaanlaw Pc13
The Steadman Law Firm Pllc12
Michael R Roberts11
Law Office Of Anthony England Svl10
Lynda Wood8
Matthew J Bussan8
Law Offices Of Ira D Blecker PC7
Gregory Nordstrom5
Hoffmann & Baron Llp3
Law Office Of Ido Tuchman Yor3
Oblon Mcclelland Maier & Neustadt Llp3
Roy W Truelson3
Daniel J Swirsky2
Bierman And Muserlian1
Caesar Rivise Pc1
Dorius Law Pc1
Hoffman Warnick Llc1
Holland & Knight1
Kunzler/Arc1
Law Office Of Anthony England End1
Lempia Summerfield Katz Llc1
Macronix1
Mollborn Patents Inc1
Oliff Plc1
Pou IP Law1
Rolnik Law Firm Pc1
Seed IP Law Group Llp1
Servilla Whitney Llc1
Shutts & Bowen Llp1
Sotomayor Ip Consulting Ltd1
Tel/Rfem1
The Caldwell Firm Llc1
The Roy Gross Law Firm Llc1
Tokyo Electron US Holdings Inc1
Van Pelt Yi & James Llp And Samsung1
Updated on April 20, 2021

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