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U.S. Patent Activity: Birch, Stewart, Kolasch & Birch, LLP

 



Birch, Stewart, Kolasch & Birch, LLP

Martindale-Hubbell has augmented a firm's provided information with third-party sourced data to present a more comprehensive overview of the firm's expertise.


Primary U.S Patent Classification by Grant Date

Source: U.S. Patent Trade Office. Powered by LexisNexis atVantage



5276 Patents were granted between
October 01, 2007 and September 30, 2009
and are listed below by classification
and percentage

D14 - Recording, communication, or information retrieval equipment
193(3.7 %)
347 - Incremental printing of symbolic information
181(3.4 %)
348 - Television
166(3.1 %)
382 - Image analysis
126(2.4 %)
257 - Active solid-state devices (e.g., transistors, solid-state diodes)
122(2.3 %)
359 - Optical: systems and elements
104(2.0 %)
514 - Drug, bio-affecting and body treating compositions
97(1.8 %)
345 - Computer graphics processing and selective visual display systems
90(1.7 %)
428 - Stock material or miscellaneous articles
90(1.7 %)
430 - Radiation imagery chemistry: process, composition, or product thereof
89(1.7 %)
All others
4018(76.2 %)

Total Number of U.S. 5276
Granted Patents:


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