Usage Examples
- The tech transfer package moved to the commercial site after the third engineering run.
- Comparability between the development and receiving sites is the gating item for tech transfer.
- The receiving site cannot start PPQ until tech transfer closes out.
What is Technology Transfer (Tech Transfer)?
Technology transfer is the transfer of product and process knowledge between development and manufacturing, or between manufacturing sites, so the receiving site can reproduce the process and consistently achieve product realisation.
Technology transfer exists because a manufacturing process is not fully captured by its batch record. Much of what makes a process work sits in development data, failed experiments, and the reasoning behind each parameter. Moving production without moving that understanding leaves the receiving site running steps it cannot troubleshoot, which surfaces as deviations nobody can close.
Technology transfer covers movement of product and process knowledge from development into manufacturing, and between manufacturing sites, including transfers inside one company. Technology transfer is not a change control record, and it is not the qualification of the receiving facility, though both attach to it. Its scope is the knowledge that underpins the process, the control strategy, the validation approach, and the analytical methods.
Technology transfer in practice runs as a staged exercise: a transfer plan and gap assessment, method transfer and comparability work, engineering runs at the receiving site, then process performance qualification. The receiving site establishes its own state of control. It does not inherit the sending site's validated status.
Not to be confused with
- Process validation
- technology transfer moves the knowledge; process validation is the receiving site demonstrating with data that its own process performs reproducibly. ICH Q10 identifies transferred knowledge as the basis for the validation approach, not as a substitute for running it.
- Change control
- change control authorises and documents the decision to move production. Technology transfer is the body of work that decision triggers. Approving the change does not discharge the transfer.
- Site qualification
- qualification proves the receiving facility, utilities, and equipment are fit for use. Technology transfer proves the specific product's process runs there. A fully qualified site can still fail a transfer.
- Outsourcing to a CDMO
- outsourcing is a commercial relationship. When it involves moving a process it contains a technology transfer, and ICH Q10 section 2.7 adds supplier assessment and defined quality responsibilities on top of the transfer itself.
ICH Q10 sets the framework; US cGMP supplies the enforceable production controls at the receiving site.
What you must do
- 1Transfer product and process knowledge sufficient to establish the manufacturing process, control strategy, and process validation approach at the receiving siteICH Q10 Section 3.1.2
- 2Establish and maintain a state of control at the receiving site, rather than treating the sending site's performance as evidenceICH Q10 Section 3.1.3
- 3Where the transfer involves another party, assess that party's suitability and competence before outsourcing, and define the quality responsibilities and communication processes between themICH Q10 Section 2.7
- 4Operate the transferred process under written production and process control procedures designed to assure the product's identity, strength, quality, and purity21 CFR 211.100(a)
Common mistakes
Transferring documents instead of knowledge
a batch record and a specification tell the receiving site what to do, not why. ICH Q10 defines the goal as transferring knowledge that forms the basis for the control strategy, and a site that never received the development rationale cannot judge which parameters are critical when a run drifts.
Treating the sending site's validation as transferable
validated status attaches to a process at a site, not to a product. The receiving site must demonstrate its own state of control, and planning a launch date on the assumption that PPQ can be skipped is how transfer timelines collapse late.
Closing the transfer at the first successful batch
one conforming batch shows the process can work, not that it is reproducible. Continual improvement and ongoing monitoring are part of the lifecycle ICH Q10 describes, and a transfer closed on a single run leaves the receiving site with no performance baseline to detect drift against.
When This Matters
- The tech transfer package moved to the commercial site after the third engineering run.
- Comparability between the development and receiving sites is the gating item for tech transfer.
- The receiving site cannot start PPQ until tech transfer closes out.
Frequently Asked Questions
Product and process knowledge, not just documents. ICH Q10 frames the goal as transferring that knowledge so the receiving site achieves product realisation. In practice this covers the manufacturing process, the control strategy, the process validation approach, analytical methods, and the development rationale behind each.
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