Plant Patent CPC Statistics

I don't remember seeing anything saying that plant patents would receive CPC assignements but I noticed them on plant patents late in 2016. Each Tuesday I use the uspto's patft to retrieve the plant patents that were issued that day and add them to my database. There are currently 33,303 plant patents issued from August 18, 1931 through July 27, 2021 in my database. 18,015 of them have been assigned one or more Cooperative Patent Classification. There is no bulk source of cpcs for non utility patents that I am aware of (besides plant patents, reissued patents can also have cpc assignments). If a plant patent's cooperative classification changes over time it wouldn't be reflected in my database.

The links below will do searches in the uspto's patft for plants using the cpc shown. The searches can return more plant patents than I have in my database as the uspto adds cpc classifications to plant patents I have already retrieved. (The uspto counts of patents can be higher than the counts shown below. As I write this, the first link returns 13,720 patents while my database only knows about 12,791 of them.)



Most popular cpcs used by plant patents
countcpcdescription
12,845A01H 5/02(5/00) Angiosperms, i.e. flowering plants, characterised by their plant parts (5/02) Flowers
2,148A01H 5/08(5/00) Angiosperms, i.e. flowering plants, characterised by their plant parts (5/08) Fruits
1,316A01H 6/749(6/00) Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy (6/74) Rosaceae, e.g. strawberry, apple, almonds, pear, rose, blackberries or raspberries (6/749) Rosa, i.e. roses
1,258A01H 6/14(6/00) Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy (6/14) Asteraceae or Compositae, e.g. safflower, sunflower, artichoke or lettuce
1,179A01H 6/1424(6/00) Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy (6/14) Asteraceae or Compositae, e.g. safflower, sunflower, artichoke or lettuce (6/1424) Chrysanthemum
861A01H 5/00(5/00) Angiosperms, i.e. flowering plants, characterised by their plant parts
819A01H 5/12(5/00) Angiosperms, i.e. flowering plants, characterised by their plant parts (5/12) Leaves


Least popular cpcs used by plant patents
countcpcdescription
1A01G 7/00(7/00) Botany in general
1A01H 1/04(1/00) Processes for modifying genotypes A01H4/00 takes precedence (1/04) Processes of selection
1A01H 1/08(1/00) Processes for modifying genotypes A01H4/00 takes precedence (1/06) Processes for producing mutations, e.g. treatment with chemicals or with radiation mutation or genetic engineering C12N15/00 (1/08) Methods or apparatus for producing changes in chromosome number
1A01H 4/00(4/00) Plant reproduction by tissue culture techniques ; Tissue culture techniques therefor


Distribution of cpcs per plant patent
# cpcscount
110,960
26,915
3107
424
58
61


most cpcs
# cpcsPatents
5PP16566 PP23685 PP23694 PP23718 PP23740 PP24041 PP24055 PP27197
6PP23106


Earliest Plant Patent with a CPC
Patent notitleissue_datecpc
PP11728Anthurium plant 'A4'2001-01-02A01H 5/02


Issue dates with the most plants with a CPC
countissue_date
492016-03-08
492015-11-24
472011-12-20
462006-06-20
462006-08-22


Most Recent Issue Dates with Plant CPCs
issue datepatents
2021-07-27PP33282 PP33285 PP33286 PP33287 PP33288 PP33289 PP33290 PP33291 PP33292 PP33294 PP33299
2021-07-20PP33270 PP33271 PP33278
2021-07-13PP33246 PP33248 PP33249 PP33251 PP33252 PP33253 PP33256 PP33257 PP33258 PP33263 PP33264 PP33266 PP33269
2021-07-06PP33225 PP33226 PP33227 PP33228 PP33229 PP33230 PP33232 PP33233 PP33236 PP33239 PP33242 PP33243
2021-06-29PP33200 PP33203 PP33208 PP33209 PP33210 PP33211 PP33212 PP33213 PP33216 PP33217 PP33218 PP33219 PP33221 PP33222


Most recent issue dates where no plant patents had CPCs
# plant patentsissue date
52020-02-11
162019-10-15
152019-08-27
122018-02-13
102017-10-17


Fine print: I scraped the cpcs shown here by retrieving each plant patent from the uspto's web site. Their CPCs could change over time but I'm not making any effort to keep up with potential changes. I am not aware of a bulk source of CPCs for non utility patents.

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