Cozen OConnor

Patent families shared with other firms

2,869

1978–2024. One family can be counted more than once.

Activity 2016–2020

757

Distinct families per year, summed over the last five complete years. 2021 onward is still being published.

Clients (applicants)

856

Applicants named on these families, all recorded years. Not a full client list.

Firms shown below

5

Activity trend (2017–2026)

Each family counts once within a year. A family may recur in multiple years.

Frequently associated firms

Firms that most often appear on the same patent families. One family can be counted more than once, so these are not unique totals.

• Sonderhoff & Einsel Patent Law Office

  JP

  264 shared families
• Nakamura Joint Patent & Law Office Tokyo

  JP

  230 shared families
• Siemens AG

  EP

  173 shared families
• Plasseraud IP

  EP

  37 shared families
• Cabinet Beau de Loménie

  EP

  36 shared families
• More partners in workspace

Similar United States firms

Yearly counts since 1990, added up. One family can be counted more than once.

• FUJITSU PATENT CENTER, FUJITSU MANAGEMENT SERVICES
  2,856 shared patent families
• Dickstein Shapiro LLP
  2,852 shared patent families
• Townsend and Townsend and Crew LLP
  2,893 shared patent families
• Snell Wilmer
  2,840 shared patent families
• Davis Wright Tremaine LLP
  2,901 shared patent families

Explore the workspace profile

Open the app’s partner network, filing-year filters, and filing activity for Cozen OConnor. App counts follow the filing years and corridors you choose, so they can differ from this public profile.

• Filing activity

  Recorded patent families across the filing years you choose.

• Full partner list

  Every observed counterpart for the filing period you choose.

• Named clients

  Applicant relationships behind the exchange counts.

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