| Trademark / Brand Name |
Class(es) |
| ACILFATE-O suspension +oval |
5 |
| ACINIL-O |
5 |
| ACIPROHIB-O +arcs & arrows |
5 |
| ACT-O-MATIC |
11 |
| ADDICAL-O |
5 |
| ADVEN GAS-O-PLUS +squares |
5 |
| AEGACID-O |
5 |
| AEGIDOM-O |
5 |
| AER-O-FIRE +flames |
5 |
| AER-O-MATE |
10 |
| AFDOZ-O |
5 |
| AFLON-O |
5 |
| AGEFIX-O |
5 |
| AGGARWAL A.O.M. SARV UTTAM |
31 |
| AGS O |
14 |
| AIR O FIT +spiral & square |
44 |
| AIR-O-FRESH |
3 |
| AIR-O-POT |
20 |
| AIR-O-SENSE |
9 |
| AIR-O-SPACE 5 IN 1 |
20 |
| AIR-O-TRAC |
10 |
| AIT-O-MATIC |
12 |
| ALCYCLIN O |
5 |
| ALERT-O-GUARD +eye |
45 |
| ALG-O-CIDE |
5 |
| ALGESIN-O |
5 |
| ALL O DAY |
21 |
| ALL GOLD V.S.O.P brandy |
33 |
| ALL INDIA MUSLIM O.B.C. |
42 |
| ALTIPOD O |
5 |
| AMBEY RELOX-O |
5 |
| AMBR-O-ZZIA |
32 |
| AMERICAN BLEND D.O +horses |
34 |
| AMIN O FIRE |
5 |
| AMMAJI O-KRISSH |
30 |
| AMP-O-LECTRIC |
7 |
| AMUL MILK-O-GOLD |
31 |
| AMUL MILK-O-SILVER |
31 |
| ANA-O |
5 |
| ANIL-O |
5 |
| ANT 'O' CID |
5 |
| ANUPAM AQUA ZEST-O-FIZZ |
32 |
| AO-O |
2 |
| AOV-O +heart |
32 |
| APP-O-LIV |
5 |
| AQUA FINE R.O. SYSTEM +oval |
11 |
| ARACHITOL-O |
5 |
| ARB-O |
5 |
| ARBICEF-O |
5 |
| ARDOUR O |
25 |
| AREXCEF-O |
5 |
| ARI O'ROTTI |
43 |
| ARM-O-GUARD +guns & circle |
4 |
| ARPIMUNE-O |
5 |
| ART O HEART |
19 |
| ART 'O' NAIL |
35 |
| ART-O-CRAFT |
14 |
| ASAKI-O |
8 |
| ASHU O.A. KNEE BRACE |
10 |
| ASOS ARUL SERVICE O SERVICE |
37 |
| ASPOXIM-O |
5 |
| ASTREAK-O |
5 |
| ASTRING O SOL |
5 |
| ATOFCIN-O |
5 |
| AUR-O-SOURCE |
5 |
| AUS 142 NAM O +girl |
16 |
| AVIANCE O'NATURAL |
3 |
| AWES O ME +hands oval & arc |
37 |
| AWES O ME +oval hands & arc |
43 |
| AXA-O |
5 |
| AXIGYL-O +girl & oval |
5 |
| AYUR BEST 'O' DESIRE +idol |
5 |
| AYUR BEST 'O' FIRM +idol |
16 |
| AZISTART-O |
5 |
| AZITHR-O-MAX |
5 |
| B&O |
9 |
| B&O +squares |
9 |
| B-O-B (best OF BREED) |
31 |
| B.O.C. |
4, 19 |
| B.O.D.O. |
3 |
| B.O.E +drop & square |
3, 29 |
| B.O.G.I SHRI JAI GOPAL +sta |
31 |
| B.O.M. 505 BEAUTIK +crown |
25 |
| B.O.N.E. |
9, 12, 18, 25, 28, 35 |
| B.O.O BUREAU OF OTHERWORLDL |
9, 28 |
| B.G.O. |
24 |
| B.I.O.S BRILLIANT INSTITUTE |
41 |
| B.L.O. +square |
43 |
| B.O.O BUREAU OF OTHERWORLDL |
9, 28 |
| B.O.D.O. |
3 |
| B.S.O BANSAL +stars & oval |
14 |
| B.S.C.O. |
25 |
| B.T.O. BUY TOURISM ONLINE |
39, 41 |
| B2 BITE 'O' BURGER +square |
35, 43 |
| BABY O CHAKRA +heart & oval |
35 |
| BACTDIE O |
5 |
| BACTIVIN-O |
5 |
| BAG-O-MATIC |
7 |
| BAG-O-NET SAVE MONEY +bag |
35 |
| BAG-O-WATER |
32 |
