Which US Law firms prosecuted most patents for IBM?

IBM works with many law firms across the USA. In order to understand which law firms prosecuted the most number of patent applications for IBM, we downloaded the USPTO data and took the help of our proprietary tool EA. 

Following is the list of top 15 law firms that prosecuted the most number of patents for IBM:

Law FirmNumber Of PatentsAllowance Rate
IBM Corporation4511297.19%
International Business Machines Corporation1282498.70%
IBM Corporation Endicott Drafting Center611083.76%
International Business Machines Corp553999.71%
Inactive Pou Iplaw461994.93%
IBM Corp Fishkill Drafting Center425787.49%
IBM Corp Rochester Drafting Center401190.92%
Inactive Rsw Iplaw318294.06%
IBM Intellectual Property Law Department272590.88%
Schmeiser Olsen & Watts176283.17%
Lenovo173697.58%
Scully Scott Murphy & Presser P C168734.40%
Inactive Tuc Iplaw154499.42%
Inactive Rps Ip Law Dept138692.33%
Hoffman Warnick Llc131651.98%

Some interesting highlights

  • POU IPlaw has a minimum average number of office actions – 1.39.
  • IBM Corporation Endicott Drafting Center has an average minimum time for issuance – 2.22 Years.
  • International Business Machines Corp has a maximum average number of office actions – 2.36.
  • International Business Machines Corp has an average maximum time for issuance – 3.61 Years.

The data for the above analysis had been sourced from USPTO and processed using GreyB’s proprietary software, Examiner Analysis (EA), for prosecution-related insights.

Updated on April 20, 2021

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