Co-ownership can arise through collaboration, but the practical rights of each owner depend on the type of IP and applicable arrangements. Do not assume either owner can freely license, alter or sell the whole asset. Define decision making and commercial use before the collaboration produces valuable work.
Identify separate contributions, jointly created material and later improvements. Agree who pays registration and enforcement costs, how income is shared and what happens if one owner stops participating. Different rights can require different treatment, so a single ownership percentage is not a complete operating agreement.
Identify whether the work is joint or separate
List each party's contribution and the type of IP involved. Separate works combined in a product can have a different ownership position from a single jointly created work. IPO guidance explains that joint authorship and distinct contributions require different consideration for copyright. [1] A collaboration invoice or equal project funding does not automatically establish equal ownership of every asset.
Keep background material separate from new work and later improvements. One party may contribute an existing platform while both create new content. A general statement that the project is jointly owned can leave the platform, content and modifications unclear. Build a rights schedule before deciding the commercial permissions each participant needs.
Agree ordinary use before debating exceptional disputes
Define what each party may do with the shared asset in its own business. Consider modification, sublicensing, sales to competitors and use by group companies. Different rights can have different default rules, so do not assume either owner may exploit the whole asset freely without the other's agreement. Obtain advice on the actual rights involved.
Permission can be structured through agreed licences where appropriate. The IPO's guidance on using another person's IP is relevant to defining authorised use. [2] A workable arrangement may matter more commercially than a headline ownership percentage. The parties should know which activities can proceed routinely and which need additional consent.
Create a decision process for licensing and development
Identify who proposes a licence, what information is supplied and how approval is recorded. Address response periods and disagreements. If all decisions require unanimous consent without an escalation route, ordinary commercial opportunities may stall. If one party can decide alone, the other needs to understand that limit on its practical control.
Define ownership and access for improvements made by one participant after the original project. A later version can become the commercially valuable asset while the original remains jointly owned. Decide whether the other party receives rights in improvements, on what terms and with what payment or contribution obligations.
Allocate costs and income clearly
State who pays application, renewal, maintenance and enforcement costs where relevant. Define the income-sharing base, deductions and reporting. Equal ownership does not necessarily answer how one party's additional development or marketing costs are recovered. Test the calculation with a realistic licensing transaction before the arrangement is signed.
Keep records sufficient to verify the agreed payments without exposing unrelated business information unnecessarily. Agree how disputes over accounts are raised and corrected. If one owner handles administration, the other should still receive the information needed to understand the shared asset's status and income.
Address infringement and third-party claims
Decide who monitors misuse, who can act and how costs and proceeds are shared. A participant should not assume it can settle a claim affecting the other's rights without authority. Conversely, a refusal to fund action can leave the asset unprotected unless the agreement provides a workable response.
Check warranties about contributed material and the process if a third party challenges it. An ownership percentage does not establish that all contributions were lawfully available. Keep contributor contracts and licences so the parties can assess the actual rights chain rather than relying on mutual assumptions.
Plan departure, sale and deadlock
Consider what happens if a party stops contributing, is acquired, becomes insolvent or wants to sell its interest. Define transfer restrictions, valuation and continuing licences. A departing owner may still hold rights unless an effective mechanism changes that position. Do not assume cessation of collaboration automatically returns everything to the more active participant.
Test a disagreement about licensing to a competitor or releasing a new version. Identify a route that can reach a decision without undermining essential business continuity. Mediation, expert input or a negotiated buyout may be considered, but the arrangement needs advice appropriate to the rights and circumstances.
Read What to check in an IP licence for licence provisions. IP licensing agreement review can help review the operating permissions and decision process for shared IP, alongside a clear assessment of who owns each contribution and what happens when the collaboration changes.
Illustrative scenario
Two companies jointly develop training material and later disagree about licensing it to competitors. Their ownership record identifies the contributors but says nothing about permitted licensees. A collaboration agreement should have addressed that decision and the procedure for resolving disagreement before a commercial opportunity arose.
Preparation checklist
- Identify the rights and each party’s contribution.
- Agree permitted independent use and licensing approvals.
- Allocate costs, revenue and enforcement responsibilities.
- Document an exit, buyout or deadlock process.
Frequently asked questions
Does equal project funding prove equal IP ownership?
No. Ownership depends on the right, creation and agreements. Identify contributions and background assets before assigning a percentage to the project as a whole.
Can one joint owner license everything independently?
Do not assume so. Default rules and agreements differ by right. Define ordinary use and third-party licensing permissions explicitly with appropriate advice.
Who owns improvements made later by one party?
Check the arrangement and applicable law. Address improvements, access and licensing before development continues so the valuable later version does not create a new uncertainty.
Does leaving the collaboration end ownership?
Not automatically. Use a valid transfer, buyout or continuing-licence mechanism where intended, with clear terms for valuation, consent and future use.
Official sources
Sources checked: 8 September 2026. Check the linked guidance for subsequent changes.
General information only. The appropriate action depends on your circumstances and the applicable jurisdiction.
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