| Trademark / Brand Name |
Class(es) |
| C +circle & drop |
7 |
| C +circle & hut |
16 |
| C +circle & oval |
31 |
| C +circle & square |
6, 7, 9, 19, 25, 35, 40, 41, 42 |
| C +circle & stripes |
5 |
| C +circle & triangle |
24, 28 |
| C +arc & circle |
44 |
| C +arcs & circle |
9, 11, 14, 16, 18, 21, 37, 38, 41, 42 |
| C +bird & circle |
14 |
| C +capsule & circle |
31 |
| C +cross & circle |
20, 30 |
| C +drop & circle |
16 |
| C +lines & circle |
16 |
| C +spiral & circle |
35 |
| C +star & circle |
7 |
| C 21 +circle & arrow |
15 |
| C 21 +circle & arrows |
28 |
| C BRIGHT +circle |
9 |
| C CABILEO +circle |
9, 10, 20, 37, 40, 42 |
| C CABIN CREW +circle square |
25 |
| circle |
37 |
| C CALICOMM +circle & square |
6 |
| C CALIDA +circle & arcs |
21, 35 |
| C CALYPSO +circle & square |
2 |
| C CAMBRICK +circle & square |
9 |
| C CAMOES EDUCATION +circle |
41 |
| C CAN-LINX +circle & lines |
39 |
| C CANDID KNOTS +circle |
45 |
| C CANNY +arc & circle |
35 |
| C CAPRESE +circle |
3 |
| C CARDFING +arrow & circle |
35 |
| circle |
44 |
| C CARE +circle |
6 |
| C CAREER CREST +circle |
35 |
| C CARLINGTON +arc & circle |
14 |
| C CAROL +circle |
5 |
| C CARS & COFFEE +circle |
35, 41 |
| C CARTERA +circle |
18 |
| C CARVEN +circle |
25 |
| C CASIS +arc & circle |
9 |
| C CASTROL +circle |
2, 4, 37, 42 |
| C CELEBRATION +circle |
16 |
| circle |
7, 24 |
| C CENTRAVIS +arc & circle |
6, 7, 40 |
| C CERAMIC WORLD'S +circle |
19 |
| C CETEX +circle |
1 |
| C CHAMP CASH +arcs & circle |
35 |
| C CHANI +circle |
25 |
| C CHANTHAM +circle |
35 |
| C CHECK ONE +circle & squar |
25 |
| C CHEEMA +circle |
9 |
| C CHEMINOVA +circle |
29 |
| C CHEMLABS +circle |
1, 5 |
| C CHENAB +circle |
9, 16 |
| C CHERRY TONE +circle & arc |
5 |
| C CHETANA +circle & arrow |
42 |
| C CHETTINAD cement +circle |
19 |
| C CHIANTI +circle |
33 |
| C CHIBLEE +circle & square |
35 |
| C CHILLI FLAKES +circle |
39 |
| C CHITVAN +circle & flowers |
29 |
| C CHLEON +circle & square |
9 |
| C CHOW +arc & circle |
7 |
| C CHRONON +circle |
42 |
| C CINIMOL +circle & square |
25 |
| C CIPRA +circle & dots |
17 |
| C CIRA +circle & star |
30 |
| C CIRA +star circle & squar |
24 |
| C CIRCLE +circle |
9 |
| C CITY DECOR +circle & arcs |
19 |
| C CITY EDGE +circle & arc |
17 |
| C CITY EDGE +circle & arcs |
19, 20 |
| C CITY MICA +circle & arcs |
19 |
| C CITY OPTICALS +circle |
35 |
| C CIZOD +crown circle wreat |
25 |
| C CLARION casein +circle |
1 |
| C CLARO +circle |
18 |
| C CLASSIC +circle & square |
23 |
| C CLASSIC CREATIONS +circle |
25 |
| circle |
21 |
| C CLAYFUL +circle |
11 |
| C CLEXEN +arcs & circle |
37 |
| C CLICK +circle |
34 |
| C CLIPSO +circle |
9 |
| C CLOUTER HUB +circle |
25 |
| C COASTERS +circle |
25 |
| C COCO INDEX +circle |
9 |
| C COFCY INFOCOM +circle |
9 |
| C COIN FOR YOU +circle |
25 |
| C COLOUR CASCADE +circle |
41 |
| C COLOUR CITY +circle arrow |
25 |
| C COMFIT +circle & arrows |
7 |
| C COMPAC +circle |
7 |
| C COMTECH +circle |
35 |
| C CONCOURSE +circle |
25 |
| C CONFIAVEL +arcs & circle |
35 |
| C CONFLUENCE +circle |
16, 43 |
| C CONNECT +circle |
1, 41 |
| C CONNECTFIELD +arcs circle |
35, 45 |
| C CONSUL +triangle & circle |
35 |
