Skip to main content
Europe · Law Firm

Eisenfuhr Speiser

Public patent records for Eisenfuhr Speiser, 1978–2025: 2,718 patent families shared with other firms for 216 clients (applicants). Sign in to explore the app’s partner network, selected filing periods, filing activity, and client relationships.

Patent families shared with other firms
2,718
1978–2025. One family can be counted more than once.
Activity 2016–2020
591
Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
Clients (applicants)
216
Applicants named on these families, all recorded years. Not a full client list.
Firms shown below
4

Activity trend (2017–2026)

Scope
Eisenfuhr Speiser · Europe
Filing years
2017–2025
Unit
Distinct families per year

2021–2026 are preliminary. Patent filings publish about 18 months after filing, and foreign filings can enter later, so these counts are still filling in.

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

2017Preliminary2025
View annual counts
YearDistinct families per year
2017100
201876
2019124
2020161
2021 · preliminary122
2022 · preliminary158
2023 · preliminary69
2024 · preliminary34
2025 · preliminary1

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.

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

Compare Eisenfuhr Speiser side by side with

Explore the workspace profile

Open the app’s partner network, filing-year filters, and filing activity for Eisenfuhr Speiser. 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.

Explore more