Patent Drawing in Johannesburg.

South Africa does not substantively examine patents. That single fact should change how every patent drawing Johannesburg applicant commissions is prepared, because at CIPC the formalities examination is the only examination. Novelty and inventive step are never tested before grant. They surface for the first time in revocation proceedings before the Court of the Commissioner of Patents in Pretoria, often a decade later, with a commercial dispute already running. Johannesburg is where the applicants, the mining and industrial R&D and the money sit; Pretoria is where both the office and the court sit.

Why a patent drawing Johannesburg applicant files is examined for form only

South Africa is a depository, non-examining jurisdiction. CIPC — the Companies and Intellectual Property Commission — receives applications under the Patents Act 57 of 1978 and checks them for compliance with formalities. It does not search prior art and it does not assess inventive step. A complete, correctly formatted application proceeds to grant.

So the drawings are doing two jobs at once. They have to clear a formalities check that is more prescriptive than most filers expect, and they have to carry a disclosure robust enough to survive a validity attack that no examiner will ever rehearse for you. The consequences are specific, and they cut in two directions:

• Formal defects are the main pre-grant risk. There is no substantive office action in which a drawing problem might be raised alongside other issues. The formalities check is the whole gate.
• Nothing forces the disclosure to be tested. No examiner will tell you a figure fails to support a claim. That silence is not validation — it defers the reckoning to revocation.
• Grant carries no presumption of a searched file. A South African patent is granted on an unexamined record, so the drawings and specification are the entire evidential basis when validity is later litigated.

This is why experienced Johannesburg filers treat South African drawings as litigation documents drafted years early, rather than as an administrative formality. Our note on how to file a patent in South Africa covers the wider procedure.

The formal requirements under the Patent Regulations, 1978

The drawing requirements sit in the Patent Regulations, 1978 (published under GN R2470 of 1978), and several of them have no American or European counterpart. The provisions that decide whether a set clears formalities are these:

• A4 sheets. Drawings accompanying an application must be on sheets of A4 size.
• No colouring. Drawings must be executed without colouring, in durable, black, sufficiently dense and dark, uniformly thick and well-defined lines and strokes permitting satisfactory reproduction.
• Prescribed media. The regulations contemplate strong, pliable, smooth, matt and durable drawing paper or tracing cloth, or an electronic form authorised by the registrar for electronic services.
• Regulation 15 margins. The minimum margins, which must be kept completely blank, are 20 mm top, 25 mm left, 15 mm right and 10 mm bottom.
• A reserved header space. Below the top margin a space clear of drawing matter must be left for the applicant’s name, the application number and the sheet numbering.
• A signature space. At the bottom right-hand corner, within the margin, a space must be left unoccupied by drawing matter for the signature of the applicant or the applicant’s agent.

That last item is the one imported sets fail most often. A US or European drawing set is laid out to fill the usable area; nothing in 37 CFR 1.84 or the EPO Guidelines reserves a corner for a signature. Recycling those sheets into a South African filing without re-laying the frame puts drawing matter exactly where the regulations require blank space.

Where the South African rules diverge from US and European practice

South Africa is not a party to the European Patent Convention and is not in the Unitary Patent system, so a South African patent cannot be obtained by validating a European patent. Protection is secured by a national filing or by entering the PCT national phase directly. The national phase deadline is 31 months from the earliest priority date, and the Registrar has a discretion to extend it by three months on formal request.

For the drawings themselves, the practical divergences are these:

• Colour. The South African regulations require execution without colouring. There is no petition route comparable to US colour-drawing practice, and no equivalent of the EPO’s 2025 change of approach to colour.
• Photographs. Line drawings are the expected medium. Do not plan a South African set around photographs.
• Layout. The reserved header space and the bottom-right signature space are South African peculiarities that must be built into the frame from the start.
• Shading and hatching. The regulations demand well-defined, uniformly thick lines rather than prescribing a shading system, so conventional oblique-line hatching that satisfies 37 CFR 1.84 shading and hatching practice will read correctly here and travels well.

Canada presents the closest comparison for a filer running a parallel non-EPC set, since it likewise bars colour and photographs by default — see Patent Drawing in Toronto.

Designs are a separate statute with separate drawings

South African design protection is not part of the Patents Act. It runs under the Designs Act 195 of 1993 and the Designs Regulations, 1999, also administered by CIPC, and it splits the register in a way that has no US equivalent.

• Part A — aesthetic designs, judged by appearance and appeal to the eye.
• Part F — functional designs, where the features are necessitated by the function the article is to perform.

An applicant must state which part registration is sought in, and the representations have to support that choice. A set of views drafted to show ornamental contour is arguing for Part A; a set drafted to show working configuration is arguing for Part F. Filing one and claiming the other is a recurring and avoidable defect. For Johannesburg’s manufacturing and consumer-goods filers, dual registration across both parts is common and needs two coherent sets of representations, not one set filed twice.

The Johannesburg filing base and what it patents

Johannesburg is the commercial centre of Gauteng and the source of a large share of South African corporate filings. The technical subject matter that dominates local drawing work reflects the city’s industrial base:

• Mining technology — rock-breaking and drilling equipment, materials handling, mineral processing, underground safety and ventilation systems. Sectional views and assembly figures dominate, and hatching discipline matters because these are multi-material assemblies.
• Finance and fintech — payments, banking and insurance platforms centred on Sandton, where the disclosure is carried by flowcharts, architecture diagrams and interface figures rather than mechanical views.
• Manufacturing — industrial equipment, automotive components and packaging, typically filed alongside a design registration.
• Energy — generation, storage, grid equipment and off-grid systems, an area of sustained local filing activity.

Mining and energy cases in particular tend to be filed in South Africa first and exported outward through the PCT. Building the first set to a standard that also satisfies the USPTO and the EPO avoids redrawing the whole portfolio at national-phase entry.

Where the drawings are eventually tested: the Court of the Commissioner of Patents

Because CIPC never examines substantively, the first genuine scrutiny of a South African patent usually comes in litigation. The Court of the Commissioner of Patents is a specialist court of the Gauteng Division of the High Court, seated in Pretoria, with nationwide jurisdiction over patent matters at first instance. A Johannesburg applicant’s patent is therefore attacked roughly 55 km up the N1, not in the Johannesburg High Court.

Revocation is brought on a prescribed form supported by a statement of particulars of the grounds relied on. Appeals go to the Supreme Court of Appeal in Bloemfontein. The point for drawing work is that every ground of invalidity that an examiner elsewhere would have raised during prosecution is raised here for the first time, by an opponent, with the benefit of hindsight and a fully developed commercial record.

Insufficiency and lack of clear disclosure arguments turn directly on whether the figures actually teach what the claims assert. A set that was merely adequate to pass a formalities clerk is a poor foundation for that argument. Related local work: Patent Invalidation in Johannesburg and Infringement Analysis in Johannesburg.

Formal defects that stall a South African filing

Because the formalities check is the only gate, the defects that cause delay in South Africa are almost entirely presentational. These are the ones that recur, and each is cheap to prevent and tedious to cure after filing:

• Drawing matter in the reserved spaces. An imported frame that runs figures into the top header band or the bottom right-hand corner breaches the layout requirements even though the figures themselves are faultless.
• Colour or greyscale surviving conversion. CAD exports frequently carry colour layers or soft grey fills that look monochrome on screen and reproduce as indistinct tone. The regulations call for execution without colouring in dense, dark, uniformly thick lines.
• Line weight lost on scaling. A drawing produced at large format and reduced to A4 can drop below the density the regulations require. Line weight has to be judged at the size the sheet will actually be reproduced.
• Reference numerals that drift. Numerals that disagree between the figures and the specification, or between sheets, are a disclosure problem as much as a formal one — and in a non-examining system nobody flags them for you.
• Sheets not numbered consistently. Sheet numbering belongs in the reserved header space, in sequence, on every sheet in the set.
• Photographs used as figures. Line drawings are the expected medium; a set built around photographs should be redrawn before filing rather than submitted and argued about.

None of these is intellectually difficult. They persist because South African filings are often the last leg of an international programme, prepared by copying a set that was drafted for a different office with a different frame. The fix is to treat the South African layout as its own template rather than as a variant of the US one.

How PerspireIP prepares a patent drawing Johannesburg filers can rely on

We build South African sets to the Patent Regulations frame from the first sheet rather than retrofitting an imported set. In practice that means:

1. A4 throughout, with regulation 15 margins kept completely blank.
2. The header space below the top margin reserved for applicant name, application number and sheet numbering.
3. The bottom right-hand corner left clear within the margin for the signature of the applicant or agent.
4. Monochrome execution — no colouring, no greyscale fills standing in for colour, no photographs.
5. Durable, uniformly thick, well-defined lines that survive reproduction and scanning.
6. Consistent reference numerals across every sheet and against the specification.
7. Where the case will travel, a single master set drafted to the stricter standard at each point of divergence so USPTO, EPO and PCT sheets derive from it without redrawing.

Because the office will not tell you whether the disclosure is sufficient, we also review the figure set against the claims before filing — the check the South African system never performs for you.

IP Landscape & Resources in Johannesburg

Key intellectual-property authorities and venues relevant to Johannesburg:

• CIPC (Companies and Intellectual Property Commission) — the office that receives and grants South African patents and registers designs under the Patents Act 57 of 1978 and the Designs Act 195 of 1993, examining applications for compliance with formalities only
• Court of the Commissioner of Patents — the specialist court of the Gauteng Division of the High Court, seated in Pretoria, with nationwide first-instance jurisdiction over South African patent matters including revocation
• Patents Act 57 of 1978 (WIPO Lex) — the governing statute, under which the Patent Regulations, 1978 set out the formal requirements for drawings

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Explore related PerspireIP services: Patent Drawing services · IP services in South Africa · Patent Invalidation in Johannesburg · Patent Drawing in Toronto · How to file a patent in South Africa.

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