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IP Updates

Ex Parte Reexamination Filing Data - December 31, 2008

January 20, 2009

IP Updates

Ex Parte Reexamination Filing Data - December 31, 2008

January 20, 2009

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December 31, 2008






















1.
Total request filed since start of ex parte reexam on 07/01/81………………………………………
9739*

    a.


    By patent owner

3592
37%

    b.


    By other member of public

5982
61%

    c.


    By order of Commissioner

165
2%
2.
Number of filings by discipline

    a.


    Chemical Operation

2838
29%

    b.


    Electrical Operation

3332
34%

    c.


    Mechanical Operation

3411
35%

    d.


    Design Patents

158
2%
3.
Annual Ex Parte Reexam Filings

























Fiscal Yr.





No.





Fiscal Yr.





No.





Fiscal Yr.





No.





Fiscal Yr.





No.
1981
78 (3 mos.)
1989
243
1997
376
2005
524
1982
187
1990
297
1998
350
2006
511
1983
186
1991
307
1999
385
2007
643
1984
189
1992
392
2000
318
2008
680
1985
230
1993
359
2001
296
2009
154YTD
1986
232
1994
379
2002
272

1987
240
1995
392
2003
392

1988
368
1996
418
2004
441
































4.
Number known to be in litigation…………………………………………………………………………………..
2939
30%
5.
Decisions on requests……………………………………………………………………………………….
9382

    a.


    No. granted

8620
92%


    (1) By examiner

8507


    (2) By Director (on petition)

113

    b.


    No. denied

762
8%


    (1) By examiner

727


    (2) Order vacated

35
6.
Total examiner denials (includes denials reversed by Director)……………………………………………
840

    a.


    Patent owner requester

443
53%

    b.


    Third party requester

397
47%
7.
Overall reexamination pendency (Filing date to certificate issue date)

    a.


    Average pendency

24.9 (mos.)

    b.


    Median pendency

19.5 (mos.)











8.
Reexam certificate claim analysis:
Owner Requested
3rd Party Requested
Comm’r Initiated
Overall

    a.


    All claims confirmed

22%
28%
12%
25%

    b.


    All claims canceled

8%
13%
21%
11%

    c.


    Claim changes

70%
59%
67%
64%




































9.
Total ex parte reexamination certificates issued (1981-present)……………………………………….
6595

    a.


    Certificates with all claims confirmed

1643
25%

    b.


    Certificates with all claims cancelled

739
11%

    c.


    Certificates with claim changes

4213
64%
10.
Reexam claim analysis – requester is patent owner or 3rd party; or Comm’r initiated.

    a.


    Certificates – PATENT OWNER REQUESTER…………………………….

2755


    1.) All claims confirmed

613
25%


    2.) All claims cancelled

222
8%


    3.) Claim changes

1920
70%

    b.


    Certificates – 3rd PARTY REQUESTER…………………………….

3693


    1.) All claims confirmed

1012
28%


    2.) All claims canceled

486
13%


    3.) All claims confirmed

2195
59%

    c.


    Certificates – COMM’R INITIATED REEXAM…………………………….

147


    1.) All claims confirmed

18
12%


    2.) All claims cancelled

31
21%


    3.) All claims confirmed

98
67%

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