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US patent litigation update: filing falls in August



Michael Loney


Patent lawsuit filing in US district courts in August was down on July and June, but above the monthly average for the year. First-time filer Autumn Cloud had the most cases in August while Shipping & Transit moved past the 100-case mark for the year

US district court patent litigation by month
2013 2014 2015 2016
January 486 330 445 276
February 547 447 492 297
March 403 499 509 393
April 604 681 391 456
May 502 387 608 385
June 484 415 653 460
July 476 421 478 414
August 521 396 309 405
September 552 320 327
October 515 340 439
November 578 334 840
December 422 439 279
Total for year 6,090 5,009 5,770 3,086

The number of patent lawsuits filed in US district court fell to 405 in August, according to figures taken from the Docket Navigator database.

This compares with 414 cases in June and the 2016 high of 460 cases in June.

The August figure was above the average monthly figure for the year so far of 386 cases, a result of a slow start to the year for patent suit filing. 

This compares with full-year monthly average figures of 481 in 2015, 417 in 2014 and 508 in 2013.

According to Managing IP’s analysis of figures taken from Docket Navigator, newcomer Autumn Cloud filed the most cases in August, with 15.

Serial filer Uniloc was the second-most-active filer. Its 12 cases pushed its 2016 total up to 80 by the end of August. A further six cases filed on September 6 moved Uniloc’s total up further to 86.  

2016’s leading filer Shipping & Transit filed 11 cases in August, pushing its year total into three figures with 101 cases.

Managing IP regularly tracks US patent litigation filing. Subscribers and triallists can view our analysis of filing in July here and our analysis of the busiest companies and law firms at the Patent Trial and Appeal Board in the first six months of this year here.

Patent litigation filing August 31

Plaintiffs filing more than five cases in August
Autumn Cloud 15
Uniloc 12
Mobile Telecommunications Technologies 11
Shipping and Transit 11
Codec Technologies 10
Simpson Performance Products 10
St Luke Technologies 10
Reflection Code 9
Rothschild Digital Confirmation 9
Blackbird Tech 8
International License Exchange of America 8
Vortex Pathway 8
Banertek 7
Bitro Group, 7
Horizon Pharma 7
Network Architecture Innovations 6
Novocrypt 6
Source: Docket Navigator

Top plaintiffs in cases filed Jan 1- Aug 31 2016
Shipping and Transit 101
Uniloc USA 80
Sportbrain Holdings 57
Guyzar 35
Verified Hiring 34
T-Rex Property 33
Hawk Technology Systems 33
Global Equity Management (SA) 31
Digital Audio Encoding Systems 29
Solocron Education 29
Source: Docket Navigator


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Busy week of MIP events! #GlobalPatentForum tomorrow (Palo Alto) & Thur (Chicago) #IPStrategyForum2017 Weds (London… https://t.co/nyW2gTKPTz

Apr 24 2017 09:26 ·  reply ·  retweet ·  favourite
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Emerging markets file more patents than the west https://t.co/FkQVfMMKyk via @FT (£)

Apr 24 2017 08:07 ·  reply ·  retweet ·  favourite
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Very sorry to hear this. Wubbo received an outstanding achievement award from Managing IP in 2009… https://t.co/bz7via7FGz

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