Free Monoclonal Antibodies from OriGene

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Try high quality antibodies with low risk

OriGene offers more than 25,000 monoclonal antibodies with high specificity and sensitivity. We use advanced technologies to generate better antigens and validate antibodies through multiple applications and protein samples.

Want to try a sample before purchasing the full size antibody? OriGene offers sample size antibodies for our popular monoclonal antibodies.

And for a limited time, you can request a free sample for one of the 10 selected antibodies, which are all hot-selling cancer biomarkers and IO targets.

To receive a free antibody sample:

  1. Fill out the request form on the right to receive a CODE for free antibody sample.
  2. Use the code for free sample when placing an online or offline order.

We love to hear your feedback on our antibodies. Please send all feedback to or through our online review form.

Limit 1 free antibody sample per order. Shipping and handling fees are not included.

Free Antibody Samples

Key features:

  • Monoclonal antibodies
  • Widely cited by researchers
  • Validated in many applications
  • Key targets for cancer research
Protein Name Host Validated Application Sample SKU
CTLA4 Mouse IHC UM870141
PD-L1 Rabbit IHC TA591004S
PD1 Mouse WB, FC, 10K-CHIP, Neutralization UM870114
VISTA Mouse FC TA812251S
LGR5 Mouse WB, IHC, IF, IP, FC TA503316S
CD163 Mouse WB, IHC, IF TA506380S
SOX17 Mouse WB, IF, FC TA500044S
KI67 Rat IHC, FC TA801577S
ALK Mouse WB, IHC, LMNX TA801287S
CD80 Mouse WB, IHC, IF TA501576S

Free Antibody Request Form

Fill out the request form to get your code for free antibody sample. If you would like an antibody sample that is not on the list, please specify your request in the comment box below. Thank you.