Controlled drugs are substances regulated by law, including methamphetamine, MDMA, cocaine, cannabis and certain prescription medications.
Drug Offences
Our specialist defence lawyers will fight all drug and cannabis charges in South Australia.
Cannabis Offences
Get immediate legal advice from specialist lawyers who know how to fight cannabis related charges.
Our Case Results
The cases listed on this page show the range of drug offences we defend and how South Australian courts apply the law in practice, depending on the facts and circumstances of each matter.
Our reputation with clients, prosecutors and the courts has been built on meticulous preparation, strong advocacy and consistent results.
Cultivation of 4 Cannabis Plants
Significant Amendments to the Criminal Asset Confiscation Legislation
Possession of 1.03kg of Cannabis and Prohibited Weapons
Trafficking Methylamphetamine
Trafficking in a Large Commercial Quantity of a Controlled Drug
Trafficking Ecstasy in a Prescribed Area
Possession & Trafficking of 15g Methylamphetamine
Trafficking in a Controlled Drug, Driving Disqualified, Breach of Bond
Trafficking 10g Methylamphetamine
Trafficking 700 Tablets of Ecstasy
Understanding Drug Charges in South Australia
In South Australia, controlled drug offences can be prosecuted under state legislation or Commonwealth legislation, depending on the nature and scale of the alleged conduct. Matters can range from simple possession and personal use, through to trafficking, commercial and large commercial quantities, and drug manufacturing or cultivation. Our drug defence lawyers have extensive experience across both jurisdictions and can guide you through which court will hear your matter and what that means for your case.
Being accused of a drug offence is often overwhelming. Police may execute search warrants, seize phones and cash, and suggest that the case against you is already clear. It is important to remember that the prosecution must prove the alleged drug offence beyond reasonable doubt, and they must support that allegation with admissible evidence. Our role is to stand between you and the police, to challenge the prosecution case at every stage, and to ensure your rights are properly protected.
We carefully analyse the details of your case, including how any search and seizure was conducted, whether the substances were properly identified, and whether there is reliable evidence of possession, supply or intention to sell. In many cases, issues arise around who owned the drugs, what knowledge you had or whether the quantity is consistent with personal use rather than trafficking.
With an experienced legal team on your side, you are in a far stronger position than if you attempt to navigate the system alone.
Cannabis and Controlled Drug Offences
While cannabis has undergone some limited decriminalisation in Australia, offences involving marijuana still carry serious legal consequences in South Australia. Charges such as cultivation, possession or consumption of cannabis can result in fines, criminal convictions, and in more serious cases, imprisonment. The risks increase significantly where the quantity is greater, where cultivation is alleged to be commercial, or where there are prior offences on your record.
Our drug lawyers defend clients facing all types of cannabis charges, as well as allegations involving other controlled drugs such as methamphetamine, MDMA, cocaine and prescription medications. The penalties can range from expiable fines for minor cannabis matters, to extended terms of imprisonment for trafficking or manufacturing commercial or large commercial quantities. We understand how these cases are investigated and prosecuted, and we work to identify the most effective strategy for your circumstances.
If you are facing a drug charge, whether involving cannabis or another controlled drug, do not leave your future to chance. With the backing of an experienced legal team, you are far more likely to achieve a positive outcome, whether that is the withdrawal of charges, a downgrade, a penalty without conviction, or a reduced sentence. Our job is to protect your rights, ensure your side of the story is heard, and guide you through every step of the process in a considered and professional manner.
Choosing The Right Defence Lawyer Can Make All The Difference in Your Case
At Caldicott + Isaacs, we deal with drug offence matters every day. Our lawyers appear regularly in the Adelaide Magistrates Court, District Court, and Supreme Court, defending clients charged with possession, supply, trafficking, cultivation, manufacturing, importation, and related offences such as proceeds of crime and criminal assets confiscation. We understand how drug investigations are conducted in South Australia, how police and prosecutors approach these cases, and what makes a difference in court.
We take a strategic, evidence-driven approach. That means examining search warrants, police procedures, forensic analysis, telephone intercepts, covert recordings, and statements from witnesses or informants. We look for unlawful searches, unreliable identifications, weak inferences about intent to sell, and quantities that may be consistent with personal use. Where appropriate, we negotiate with prosecutors to reduce charges or limit the scope of the allegations, and if necessary, we contest the matter at trial.
You can expect clear advice, honest assessments, and practical guidance about your options. We will explain the likely penalties, what the court will take into account, and how best to prepare for your case, including any steps you can take in relation to rehabilitation or treatment. Our focus is always on achieving the best possible outcome for your circumstances and protecting your future as much as the law allows.
If you have been charged with a drug offence, contact us as soon as possible so we can review your situation, advise you on your rights, and begin preparing your defence.
FAQ’s About Drug Offences in South Australia
If you need more information about cannabis or controlled drug offences in South Australia, these FAQs answer the most common questions.
Do I need a lawyer for a drug charge?
Yes. Drug offences carry serious penalties and often involve complex evidence such as search warrants, forensic analysis, and phone records. A lawyer can assess the strength of the case, identify possible defences, and work towards the best outcome.
What should I do if police want to interview me about drugs?
Seek legal advice before agreeing to any interview. Anything you say can be used as evidence against you. We can advise you whether to answer questions, provide a prepared statement, or exercise your right to silence.
What is the difference between possession and trafficking?
Possession usually involves having a drug on you, in your home, or under your control, without lawful authority. Trafficking involves selling, supplying, or intending to sell or supply drugs. Prosecutors often rely on quantity, packaging, and other evidence such as text messages to allege trafficking rather than personal use.
Can I be charged if the drugs were not mine?
You can be charged if police believe you had knowledge and control of the drugs, even if they were not physically on you. We can challenge whether there is sufficient evidence that you knew about the drugs or that they were under your control.
Are drug charges always handled in state courts?
Not always. Some drug matters are prosecuted under Commonwealth law, especially where there are allegations of importation, trafficking across state borders, or involvement with national or international networks. We have experience in both state and Commonwealth drug prosecutions.
Are cannabis offences treated less seriously than other drugs?
Cannabis offences can attract lower penalties, particularly for minor possession or personal use, but they can still result in fines and criminal convictions. Larger quantities, cultivation operations, or repeat offences are treated much more seriously and can lead to imprisonment.
What defences are available for drug charges?
Possible defences include unlawful search and seizure, lack of knowledge of the drugs, absence of possession or control, mistaken identity, and lack of intent to sell or supply. In some cases, factual disputes or issues with forensic testing can also be raised.
What if the search warrant was defective or police searched without a warrant?
If police did not have a lawful basis to search you, your home, or your vehicle, it may be possible to challenge the admissibility of the evidence. We can examine the warrant, the reasons for the search, and police procedures to identify any legal issues.
Will I go to prison for a drug offence?
It depends on the type of charge, the quantity and type of drug, your prior record, and the presence of any aggravating factors. While imprisonment is more common for trafficking, manufacturing, or commercial quantities, many first-time or low-level offenders can avoid prison with the right legal representation and preparation.
How do drug convictions affect my future?
A drug conviction can impact employment, professional licences, travel, and visa applications. Serious convictions may also be taken into account in future court matters. We can help you seek outcomes that minimise long term consequences where possible, including penalties without conviction in some cases.
What should I do if I have a drug problem and want help?
Seeking treatment or counselling can be important both for your health and for your case. Courts often look favourably on genuine efforts at rehabilitation. We can advise you on programs, letters, and reports that may assist at sentencing.
Can police take my money, car, or other property in a drug case?
Yes. Police and the DPP can seek restraining orders over property they allege is the proceeds or instruments of drug offending. Criminal assets confiscation laws are strict, and you should seek legal advice immediately if your property has been restrained or seized.
What happens if I am caught with drugs at a festival or in a public place?
You may receive an expiation notice for minor cannabis offences or be charged with a criminal offence, depending on the type and quantity of drug. You should not assume it is a minor matter. Contact us as soon as possible so we can advise you on your options before you pay any fine or attend court.
Can I represent myself in a drug matter?
You can, but it is risky. Drug law is technical and involves rules about evidence, procedure, and sentencing that are not straightforward. Having a lawyer significantly improves your chances of identifying defences, negotiating effectively, and avoiding unnecessary penalties.
When should I contact a lawyer about a drug charge?
As soon as possible. Contact us immediately after you are arrested, bailed, or served with a summons. Ideally, speak to us before any police interview or court appearance so we can protect your position from the start and begin preparing your defence.
South Australia’s Leading Drug Defence Lawyers
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