미국의 연간 특허소송 건수는?
           대략 3,000건 정도 (참조 : http://dotomari.com/227)
한 해에 특허 소송에 사용되는 특허의 건수는? 
           아래 블로그의 저자가 확인한 바에 따르면 2009년에 3,404개 특허
           이 건수는 지난 10년간 평균 특허등록 건수의 약 2%.
특허 소송에 사용되는 특허의 나이는? 
           55%가 5년 이상, 24%가 10년 이상.
재심사(Reexam) 청구율은?
           578건(17%)
 


출처: 
Patents, Litigation and Reexaminations

By Jason Rantanen

The number of patents involved in litigation
The number of patent suits filed each year is well known.  But what about the number of patents involved in those cases?  Mark Lemley and others have estimated that about 1-2% of all issued patents have ever been litigated.  To test this estimate, I searched the LEXIS utility patents database using the LIT-REEX field to identify all patents that were flagged as the subject of litigation filed in the year 2009.*  I ended up with 3404 patents, or approximately 2% of the average number of utility patents that the PTO issued annually over the previous decade. 

This result provides further confirmation of the conventional belief that the vast majority of patents are never litigated - especially since I suspect it overstates the percentage of patents involved in litigation, as it assumes that the litigation flag is limited to just infringement suits (as opposed to inventorship disputes, for example) and it does not take into consideration the fact that some patents are the subject of multiple suits filed in different years.  

How old are these patents? 
The below chart shows the age of the patents involved in suits filed in 2009.  More than half (55%) of these patents were at least five years old as of the litigation filing date; 24% were over ten years old. 

Reexams and litigation


What about reexamination requests?
The above chart also shows the number of patents involved in suits filed in 2009 that have ever been the subject of a reexamination request.  Of the 3404 total patents, LEXIS reports that reexams were requested at some point for 578 (17%).  Many of these requests were filed in 2009 or later (likely as part of a litigation strategy): 398, or 11% of the total number of patents involved in suits filed in 2009 were the subject of a reexam request in 2009, 2010, or 2011.

*I used 2009 because the 2010 and 2011 results were affected by the numerous false marking suits filed in those years.  

Posted by 허성원 변리사

미국의 2011년 특허소송 조사보고서가 나왔습니다. 

지난 한 해 총 2,892건의 침해 소송이 벌어졌네요.
전년 대비 5% 증가. 가장 많았던 때는 2004년 3,075건.

가장 많은 소송을 대리한 로펌은 Fish & Richardson. 128건.

소송을 주도한 두 가지 그룹의 하나는 NPE(특허괴물), 다른 하나는 애플, 삼성 등 스마트폰 거대기업들.

 

그런데 손해배상액은 평균 1.8 million 달러로 폭락. 전년의 6 million 달러에 비해..
CAFC(미국 연방순회법원)가 2009년 이래 손해배상액에 관한 전문가 증언을 엄격히 분석하게 하였기 때문이랍니다.

가장 많은 소송을 일으킨 NPE 중 하나는 "Geotag".
이들은 2009년에 "geotagging"(온라인 사진과 같은 매체에 지리적 메타데이터를 부가하는 방법 발명)에 관한 특허를 119 million 달러에 매입하여, 구글, 모토로라 외 여러 지도 서비스 업체들을 상대로 무려 397건의 소송을 제기했습니다.
끔찍합니다.
워낙 비싼 특허를 샀으니 서둘러 본전을 뽑아야겠다는 생각이 들긴 하겠지요.


출처 :
The 2011 Patent Litigation Survey


아래는 PatentlyO 블로그 글. 참고용

Patent Suit Filings for 2010 Show a Slight Rise

By Jason Rantanen

Patstats.org, coordinated by Professor Paul Janicke of the University of Houston Law Center, recently released its analysis of patent suit filings for calendar year 2010.  Patstats reports that although the total number of patent cases filed in 2010 was 3,605 - significantly higher than the 2,744 cases filed in 2009 - much of that increase can explained by the 752 false marking cases filed in 2010.  If the false marking cases are excluded, the increase is closer to 4%.  Professor Janicke was kind enough to provide a set of historical data for context, which I used as the basis for the below graph.

Patent Suit Filings 1990-2010

Note that this chart only shows false marking cases for 2010, and thus assumes that there were not high numbers of false marking cases in previous years (for support of this assumption, see http://www.grayonclaims.com/false-marking-case-information/).  For additional analysis of patent suit filing data, as well as other interesting and useful statistics relating to patent litigation, see www.patstats.org.

 
Posted by 허성원 변리사