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Campbell John patents

Campbell John holds 6 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents6
Recent patents0
First publicationMay 26, 2015
Latest publicationFeb 20, 2018

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

Patents filed per year
YearPatents
20152
20173
20181
Browse patents by year
YearPatents
20152
20173
20181

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Technology areas

Mapped technology topics for this assignee.