1600
1
16393
1628
683
1611
587
1612
563
1613
497
1615
545
1618
546
1619
421 1621256
1622
166
1627
560
1634
556
1616
426
1617
391
1623
350
1629
420
1636
430
1644
431
1645
416
1637
3631638
441 1641428
1651
409
1631
409
1624
192 1625286
1626
266
1632
374
1635
342
1643
350
1633
403
1642
249
1646
200 1647220 1648377
1649
282
1652
3901653
3971654
335 1655404 16562121657
384
16616
2171
255
2179
2572191
201218181
218756
218866
2189129
2172
235
2173
196
2184156
2185130
2174
3402183
382
2177
303
2178185
2175161
2176177
2186216
2195
201
2196
268
2192164
2193139
2194
304
2197117
2198100
2199103
211183
212922
2141
276
2142198
2155146
2156190
2157
307
2158
360
2159
218
2161123
2112102
211367
211448
211588
2116106
211732
2121154
212281
212373
212769
2128150
216298
2163178
2164168
2165189
2166
343
2167
200
2168
318
2169136
U.S. Patent and Trademark Of�ce RCE Inventory by Art Unit
3628
322
3691
442
3682
559
361243
3611117
363743
364147
361628
3617653634
1503663175
3665168
3667113
3692108
3674159
367795
3679163
3683145
3643141
364491
3646144
3653172
3654147
365590
3656122
365791
365183
365281
363278
366164
367159
367281
367387
363359
361854
3621
491
3664
260
3687
263
3688
382
3676
2003622
712
3623
443
3686
464
3689
405
3693
336
3694
346
3695
454
3624
365
3645
2053625
389
3626
513
3685
744
3684
286
3627
476
3629
392
363125
365831
366234
363620
1873635
175850
177919
1715171
1759124
1776162
1798192
1781
195
1721114
1743109
1766135
178465
1788141
1793108
179190
1744147
1745148
1723125
1724104
1728151
175574
175688
1711
207
1732
432
1733
305
1763
353
1764
443
1765
381
1767
340
1787
391
1771
3281772
214
1773
365
1775
337
1774
278
1761
295
1778
297
1782
268
1783
240
1785
213
1786
283
1789
239
1762
497
1777
583
1734
2851735
2141736
233
1741
251
1742
387
1712
382
1714
296
1716
379
1717
276
1726
541
1727
392
1746
2071747
240
1729
426
1731
287
1713
206
17572
17971
179257
241130
241222
24583
247924
241316
2421194
2457104
2481159
2484193
2485154
2486178
2487123
248268
248360
248870
2462143
2464143
2465118
2467133
2469187
2471171
2494168
2473186
2474182
2475146
2476178
2477116
247261
249562
2422117
2425198
244660
2447180
2431136
2451146
2432129
2434106
2435197
2436196
2437185
2454158
2455190
2426
291
2427
252
2433
249
2423
206 2438270
2439
297
2461
279
2478
250
2463
210
2466
248
2491
230
2492
259
2493
210
2441
220
2442
299
2445
285
2448
269
2443
301
2444
339
2468
310
2452
331
2453
425
2424
204
24496
2456
318
249624
2611
2002612
218
2614
496
2617
1523
2618
3272622
255
2624
250 26264502628
308
2629
1036
26002
2613165
2642195
2645195
2643122 2644
183
2646182
2677131
2648157
2649171 2656
107
263377
264195
261522
2627121
263163 2632
39
266448
268945 2692
40
263637
263737
266843 266935
267335
267637
265542
268544
268637 268715
268824
268335
268418
263433
264755
265153
265273
265361
265450
265767 2658
70 265985
266155
266265 2663
60
269365
266566 2666
74
269675
269792
269867
266758
267156
267460
267559
267867 2679
87268152
268271
267267
2691186
2694161
26951192699
129
2625
374
28002
283747
2811
319
2857
368
2814
257
2835
277
2882
219
2815
225
2854
209
2891
213
281285
283890
288387 2884
77
288674
288968
285376
2813128
2836124
2878128
2881147
2816157
2852121
2885173
2887178
2892154
2893197
2818127
2856109
285895
285999
2861123
2871181
2895154
287494
289693
2897110
2898139
2875100
2821159
282289 2823
119282495
282759
2828115
2829181 283281
287761
283397
2825188
281769
281925
283458
287964
2826
202
2872
215
2894
257
2876
215
3742
636
3767
803
3769
540
3773
614
37001
3711158
3714
296
3737
251
3777
213
3779
290
3781
219
3741
249
3715
2573717
242
3718
222
3721
2733731493
3733
465
3734
308
3752
334
3774
370
3775
473
3735
394
3723112
3724124
3725174
3726140
372795
374394
374499
374570
3728112
3746129
3771156
3772110
3748121
3751129
3753174
375497
3729192
3732176
3736
374
3762
365
3763
342
3766
351
3768
357
3739
361
3738
470
374714
3749
215
3761171
3778155
3782174
3784107
3785113
3788157
3764197
3765156
377683
378353
1754101
Each circle below represents one art unit within the U.S. Patent and Trademark Of�ce. The �rst number in the circle indicates the art unit; the second number indicates the number of RCEs pending response as of December 31, 2012.
1000+500–999400–499300–399200–299100–1991–99
In Art Unit 2161, the chance of receiving a next action after an RCE within one year averaged above 90% during 2003–2012.
In Art Unit 1777, 62 RCEs �led in 2010 are still awaiting a next action.
1700
Che
mic
al a
nd M
ater
ials
Eng
inee
ring
2100 Com
puter Arc
hitecture
, Softwar
e, and Inf
ormation
Security
2400 Computer Networks, Multiplex Communication, Video Distribution, and Security
2600 Comm
unications
1600 Biotechnology and Organic Chemistry
3700 Mechanical Engineering, Manufacturing and Medical Devices/Processes
3600 Tran
sportatio
n, Constru
ction, Ele
ctronic C
ommerce
, Agricult
ure, Nati
onal Sec
urity, and
License
& Review
2800
Sem
icon
duct
ors,
Ele
ctric
al a
nd O
ptic
al S
yste
ms
and
Com
pone
nts
A recent RCE picked up in Art Unit 3773 took 3 years
to receive its next action.
In Art Unit 1618, the chance of receiving a next action after an RCE within one year fell from 98% during
2003–2009, to 25% during 2010–2012.
In Art Unit 3622, the odds of receiving a next
action after an RCE within 3 months fell
from about 75% during 2003–2009, to about
5% in 2012.
The odds of receipt within 2 years fell from
98% to 25% during the same time periods.
In Art Unit 2629, 62 of 100 RCEs picked up recently took more than 1 year and 3 months to receive their next action.
In Art Unit 2691, 77 of 88 RCEs picked up recently took less than 6 months to receive their next action.
In Art Unit 1791, 68 of the most recent 100 RCEs picked up took less than 6 months to receive their next action.
1722118
1725
4643716
259
2010
8,463
2011 2012
24,339
66,179
10,000
30,000
50,000
70,000
Total RCEs Awaiting Next Examinationby RCE �ling date
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